diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate.py b/src/ifcopenshell-python/test/fixture_generate.py
similarity index 86%
rename from src/ifcopenshell-python/test/fixtures/rules/generate.py
rename to src/ifcopenshell-python/test/fixture_generate.py
index 51f9b04ad5..cefb2a7ace 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate.py
+++ b/src/ifcopenshell-python/test/fixture_generate.py
@@ -52,15 +52,17 @@ def write_fixture(file: ifcopenshell.file, source: str, result: Result, stem: st
             prefix = "fail" if expected_count == 1 else f"fail-expected-{expected_count}"
         case _:
             prefix = result
-    Path(f"{prefix}-{stem}.ifc").write_text(content)
+    (Path(source).parent / f"{prefix}-{stem}.ifc").write_text(content)
 
 
 if __name__ == "__main__":
-    directory = Path(__file__).parent
+    root = Path(__file__).parent.parent
+    directory = Path(__file__).parent / "fixtures/rules"
 
     for path in directory.glob("*.ifc"):
         path.unlink()
 
     for path in sorted(directory.glob("generate_*.py")):
+        module = f"test.fixtures.rules.{path.stem}"
         print(f"=== {path.name} ===")
-        subprocess.run([sys.executable, str(path)], cwd=directory, check=True)
+        subprocess.run([sys.executable, "-m", module], cwd=root, check=True)
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_00.py b/src/ifcopenshell-python/test/fixtures/rules/generate_00.py
index b5937af566..2460a2cd37 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_00.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_00.py
@@ -1,7 +1,7 @@
 import time
 
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 for i in range(3):
     f = ifcopenshell.file(schema="IFC2X3")
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_01.py b/src/ifcopenshell-python/test/fixtures/rules/generate_01.py
index 2da9bc1273..b3dc34408a 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_01.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_01.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 for i, box_alignment in enumerate(["top-left", "center", "invalid", "CENTER"]):
     f = ifcopenshell.file(schema="IFC2X3")
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_02.py b/src/ifcopenshell-python/test/fixtures/rules/generate_02.py
index b45c40ba45..f4f9ebd4f4 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_02.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_02.py
@@ -1,7 +1,7 @@
 import time
 
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 latitudes = [
     (False, (-361, 0, 0), 1),
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_03.py b/src/ifcopenshell-python/test/fixtures/rules/generate_03.py
index 85f0ec45d2..4ce7e50f95 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_03.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_03.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 for depth in (-1.0, 0.0, 1.0):
     f = ifcopenshell.file(schema="IFC2X3")
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_04.py b/src/ifcopenshell-python/test/fixtures/rules/generate_04.py
index 66e74f0064..2f64e38fa2 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_04.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_04.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import fail_if, normalize_header, write_fixture
+from ...fixture_generate import fail_if, normalize_header, write_fixture
 
 for i, (r1, r2) in enumerate(
     [("SUPPLIER", None), ("SUPPLIER", "Valid"), ("USERDEFINED", "Valid"), ("USERDEFINED", None)]
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_05.py b/src/ifcopenshell-python/test/fixtures/rules/generate_05.py
index 72fd359d34..ad6ebcdb2f 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_05.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_05.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 options = {
     "IfcPostalAddress": ({}, {"Country": "The Netherlands"}, {"Country": "The Netherlands", "Town": "Eindhoven"}),
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_06.py b/src/ifcopenshell-python/test/fixtures/rules/generate_06.py
index 8676912048..718ce10bc2 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_06.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_06.py
@@ -2,7 +2,7 @@ import itertools
 import time
 
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 for pty, ety in itertools.product(("GRILLE", "USERDEFINED"), (None, "Something")):
     f = ifcopenshell.file(schema="IFC2X3")
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_07.py b/src/ifcopenshell-python/test/fixtures/rules/generate_07.py
index 9dc2b109bd..02d19de3c5 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_07.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_07.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import fail_if, normalize_header, write_fixture
+from ...fixture_generate import fail_if, normalize_header, write_fixture
 
 create_none = lambda f: None
 create_polyline = lambda f: f.createIfcPolyline(
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_08.py b/src/ifcopenshell-python/test/fixtures/rules/generate_08.py
index 33984c0192..9e2f935c47 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_08.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_08.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import fail_if, normalize_header, write_fixture
+from ...fixture_generate import fail_if, normalize_header, write_fixture
 
 create_plane = lambda f: f.createIfcPlane(f.createIfcAxis2Placement3D(f.createIfcCartesianPoint((0.0, 0.0, 0.0))))
 create_polyline = lambda f: f.createIfcPolyline(
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_09.py b/src/ifcopenshell-python/test/fixtures/rules/generate_09.py
index 44c2eb7adf..6a98196102 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_09.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_09.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 pts = [(0.0, 0.0), (1.0, 0.0), (1.0, 1.0)]
 dims = [(2, 3, 3), (3, 3, 2), (2, 2, 2), (3, 3, 3)]
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_10.py b/src/ifcopenshell-python/test/fixtures/rules/generate_10.py
index 6ced635ee0..b2cfdfca7d 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_10.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_10.py
@@ -1,7 +1,7 @@
 import itertools
 
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 defaults = {"Girth": 1.0, "WallThickness": 0.11}
 depths = [2.0, 3.0]
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_11.py b/src/ifcopenshell-python/test/fixtures/rules/generate_11.py
index f9059f03d5..37768412fd 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_11.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_11.py
@@ -1,6 +1,6 @@
 import ifcopenshell
 import ifcopenshell.util.schema
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 depth = 1.0
 for dir_x, dir_z in ((0.0, -1.0), (0.0, 0.0), (1.0, 0.0), (1.0, 0.001), (0.0, 1.0)):
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_12.py b/src/ifcopenshell-python/test/fixtures/rules/generate_12.py
index a2f1931b95..77136e803b 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_12.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_12.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, write_fixture
+from ...fixture_generate import normalize_header, write_fixture
 
 coords = [(0.0, 0.0), (10.0, 0.0), (10.0, 10.0), (0.0, 10.0)]
 make_3d = lambda cs: [c + (0.0,) for c in cs]
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_13.py b/src/ifcopenshell-python/test/fixtures/rules/generate_13.py
index a4d5b21ac6..200ffcf2cf 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_13.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_13.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, write_fixture
+from ...fixture_generate import normalize_header, write_fixture
 
 coords = [(0.0, 0.0), (10.0, 0.0), (10.0, 10.0), (0.0, 10.0)]
 make_3d = lambda cs: [c + (0.0,) for c in cs]
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_14.py b/src/ifcopenshell-python/test/fixtures/rules/generate_14.py
index 9c263da807..1d82f570fd 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_14.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_14.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 dims = [
     (1, 0, 0, 0, 0, 0, 0),
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_15.py b/src/ifcopenshell-python/test/fixtures/rules/generate_15.py
index 591d4648b0..3bb91bab55 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_15.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_15.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 coords = [(0.0, 0.0), (10.0, 0.0)]
 coords_2 = [(0.0, 0.0), (10.0, 0.0), (10.0, 10.0), (0.0, 10.0)]
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_16.py b/src/ifcopenshell-python/test/fixtures/rules/generate_16.py
index 84bdfe51eb..a22ec7163e 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_16.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_16.py
@@ -1,7 +1,7 @@
 import time
 
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 names = [("Same", "Same"), ("Different", "SomethingElse")]
 
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_17.py b/src/ifcopenshell-python/test/fixtures/rules/generate_17.py
index 9d831ace37..d67799cd1d 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_17.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_17.py
@@ -1,7 +1,7 @@
 import time
 
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 for i, nm in enumerate(("no-mls", "mls", "mlsu")):
     f = ifcopenshell.file(schema="IFC2X3")
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_18.py b/src/ifcopenshell-python/test/fixtures/rules/generate_18.py
index 87c3f05018..637e1dbbd1 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_18.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_18.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 for i, type_decl in enumerate(("IfcLengthMeasure", "IfcPlaneAngleMeasure")):
     f = ifcopenshell.file(schema="IFC4X3")
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_19.py b/src/ifcopenshell-python/test/fixtures/rules/generate_19.py
index 9812b5f92a..327e0da7fb 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_19.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_19.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 make_nd = lambda d: lambda *c: (c + (0.0,)) if d == 3 else c
 
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_20.py b/src/ifcopenshell-python/test/fixtures/rules/generate_20.py
index 68d3364ae2..2c0ac7bd8f 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_20.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_20.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 task = lambda f: f.createIfcTask(ifcopenshell.guid.new(), None, "sleep", IsMilestone=True)
 wall = lambda f: f.createIfcWall(ifcopenshell.guid.new())
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_21.py b/src/ifcopenshell-python/test/fixtures/rules/generate_21.py
index 232c0e75d6..8e87988546 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_21.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_21.py
@@ -1,7 +1,7 @@
 import itertools
 
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 
 def EXISTS(v):
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_22.py b/src/ifcopenshell-python/test/fixtures/rules/generate_22.py
index 535a03b083..800e0e2a46 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_22.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_22.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 for cnt in range(0, 3):
     f = ifcopenshell.file(schema="IFC4")
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_23.py b/src/ifcopenshell-python/test/fixtures/rules/generate_23.py
index 08303191b4..a415f32fa6 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_23.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_23.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 fns = [
     (False, lambda f: f.createIfcLengthMeasure(-1.0)),
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_24.py b/src/ifcopenshell-python/test/fixtures/rules/generate_24.py
index 56696a4660..022762512b 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_24.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_24.py
@@ -1,7 +1,7 @@
 import time
 
 import ifcopenshell
-from generate import normalize_header, pass_if, write_fixture
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 for ents in [
     ("IfcWall",),
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_25.py b/src/ifcopenshell-python/test/fixtures/rules/generate_25.py
index 765c1effe7..9901a83635 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_25.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_25.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import fail_if, normalize_header, write_fixture
+from ...fixture_generate import fail_if, normalize_header, write_fixture
 
 segs = [
     lambda _: None,
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_26.py b/src/ifcopenshell-python/test/fixtures/rules/generate_26.py
index 4f373bcb7c..1154bad08a 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_26.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_26.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, write_fixture
+from ...fixture_generate import normalize_header, write_fixture
 
 cases = (
     ("pass", "label-values", ("test1", "test2")),
diff --git a/src/ifcopenshell-python/test/fixtures/rules/generate_27.py b/src/ifcopenshell-python/test/fixtures/rules/generate_27.py
index 91d9248ca6..b82c078a29 100644
--- a/src/ifcopenshell-python/test/fixtures/rules/generate_27.py
+++ b/src/ifcopenshell-python/test/fixtures/rules/generate_27.py
@@ -1,5 +1,5 @@
 import ifcopenshell
-from generate import normalize_header, write_fixture
+from ...fixture_generate import normalize_header, write_fixture
 
 ifc_file = ifcopenshell.file(schema="IFC2X3")
 ifc_file.create_entity(
diff --git a/src/ifcopenshell-python/test/fixtures/validate/fail-header-attr-too-few.ifc b/src/ifcopenshell-python/test/fixtures/validate/fail-expected-2-header-attr-too-few.ifc
similarity index 100%
rename from src/ifcopenshell-python/test/fixtures/validate/fail-header-attr-too-few.ifc
rename to src/ifcopenshell-python/test/fixtures/validate/fail-expected-2-header-attr-too-few.ifc
diff --git a/src/ifcopenshell-python/test/fixtures/validate/fail-invalid-selected-enumeration.ifc b/src/ifcopenshell-python/test/fixtures/validate/fail-expected-2-invalid-selected-enumeration.ifc
similarity index 100%
rename from src/ifcopenshell-python/test/fixtures/validate/fail-invalid-selected-enumeration.ifc
rename to src/ifcopenshell-python/test/fixtures/validate/fail-expected-2-invalid-selected-enumeration.ifc
diff --git a/src/ifcopenshell-python/test/fixtures/validate/fail-selected-simple-type-empty-typed-value.ifc b/src/ifcopenshell-python/test/fixtures/validate/fail-expected-2-selected-simple-type-empty-typed-value.ifc
similarity index 100%
rename from src/ifcopenshell-python/test/fixtures/validate/fail-selected-simple-type-empty-typed-value.ifc
rename to src/ifcopenshell-python/test/fixtures/validate/fail-expected-2-selected-simple-type-empty-typed-value.ifc
diff --git a/src/ifcopenshell-python/test/fixtures/validate/fail-selected-simple-type-non-existant-type.ifc b/src/ifcopenshell-python/test/fixtures/validate/fail-expected-2-selected-simple-type-non-existant-type.ifc
similarity index 100%
rename from src/ifcopenshell-python/test/fixtures/validate/fail-selected-simple-type-non-existant-type.ifc
rename to src/ifcopenshell-python/test/fixtures/validate/fail-expected-2-selected-simple-type-non-existant-type.ifc
diff --git a/src/ifcopenshell-python/test/fixtures/validate/fail-invalid-entity.ifc b/src/ifcopenshell-python/test/fixtures/validate/fail-expected-3-invalid-entity.ifc
similarity index 82%
rename from src/ifcopenshell-python/test/fixtures/validate/fail-invalid-entity.ifc
rename to src/ifcopenshell-python/test/fixtures/validate/fail-expected-3-invalid-entity.ifc
index b6367d784d..599a3c41c4 100644
--- a/src/ifcopenshell-python/test/fixtures/validate/fail-invalid-entity.ifc
+++ b/src/ifcopenshell-python/test/fixtures/validate/fail-expected-3-invalid-entity.ifc
@@ -5,7 +5,9 @@ FILE_NAME('','2022-10-01T16:31:47',(''),(''),'IfcOpenShell 0.7.0','IfcOpenShell
 FILE_SCHEMA(('IFC4'));
 ENDSEC;
 DATA;
+/* Non-existent entity. */
 #1=IFCBUILTELEMENT('2CbOYFeCHBku9$oytmyQ2e',$,$,$,$,$,$,$);
+/* Non-existsent entity used as part of an attribute. */
 #2=IFCRELASSOCIATESMATERIAL('0e6aLxV9b8OvwguVdjzRsn',$,$,$,(#1),#3);
 #3=IFCMATERIAL('brick',$,$);
 ENDSEC;
diff --git a/src/ifcopenshell-python/test/fixtures/validate/generate_00.py b/src/ifcopenshell-python/test/fixtures/validate/generate_00.py
index 372c25a65b..5b0e363b3e 100644
--- a/src/ifcopenshell-python/test/fixtures/validate/generate_00.py
+++ b/src/ifcopenshell-python/test/fixtures/validate/generate_00.py
@@ -1,8 +1,7 @@
-from pathlib import Path
-
 import ifcopenshell
 import ifcopenshell.api.owner
 import ifcopenshell.api.root
+from ...fixture_generate import normalize_header, pass_if, write_fixture
 
 guid1 = "3pdqyORIn8KBHZAhhtJ72T"
 guid2 = "1sEzC8v31DshmvW5t5P631"
@@ -23,5 +22,5 @@ for schema in ("IFC2X3", "IFC4", "IFC4X3"):
         wall1.GlobalId = guid1
         wall2.GlobalId = guid1 if status == "fail" else guid2
 
-        filename = f"{status}-{'not-' if status == 'pass' else ''}duplicated-guids-{schema.lower()}.ifc"
-        f.write(Path(__file__).parent / filename)
+        normalize_header(f)
+        write_fixture(f, __file__, pass_if(status == "pass"), f"duplicated-guids-{schema.lower()}")
diff --git a/src/ifcopenshell-python/test/fixtures/validate/pass-not-duplicated-guids-ifc2x3.ifc b/src/ifcopenshell-python/test/fixtures/validate/pass-duplicated-guids-ifc2x3.ifc
similarity index 100%
rename from src/ifcopenshell-python/test/fixtures/validate/pass-not-duplicated-guids-ifc2x3.ifc
rename to src/ifcopenshell-python/test/fixtures/validate/pass-duplicated-guids-ifc2x3.ifc
diff --git a/src/ifcopenshell-python/test/fixtures/validate/pass-not-duplicated-guids-ifc4.ifc b/src/ifcopenshell-python/test/fixtures/validate/pass-duplicated-guids-ifc4.ifc
similarity index 100%
rename from src/ifcopenshell-python/test/fixtures/validate/pass-not-duplicated-guids-ifc4.ifc
rename to src/ifcopenshell-python/test/fixtures/validate/pass-duplicated-guids-ifc4.ifc
diff --git a/src/ifcopenshell-python/test/fixtures/validate/pass-not-duplicated-guids-ifc4x3.ifc b/src/ifcopenshell-python/test/fixtures/validate/pass-duplicated-guids-ifc4x3.ifc
similarity index 100%
rename from src/ifcopenshell-python/test/fixtures/validate/pass-not-duplicated-guids-ifc4x3.ifc
rename to src/ifcopenshell-python/test/fixtures/validate/pass-duplicated-guids-ifc4x3.ifc
diff --git a/src/ifcopenshell-python/test/test_rules.py b/src/ifcopenshell-python/test/test_rules.py
index 3596d9b4a7..7bb12dd211 100644
--- a/src/ifcopenshell-python/test/test_rules.py
+++ b/src/ifcopenshell-python/test/test_rules.py
@@ -5,7 +5,7 @@ import tabulate
 
 import ifcopenshell.express.rule_executor
 import ifcopenshell.validate
-from .fixtures.rules.generate import FailObj, Result, parse_result
+from .fixture_generate import FailObj, Result, parse_result
 
 
 def pytest_generate_tests(metafunc: pytest.Metafunc) -> None:
diff --git a/src/ifcopenshell-python/test/test_validate.py b/src/ifcopenshell-python/test/test_validate.py
index d3eff78f33..4dd42a7a05 100644
--- a/src/ifcopenshell-python/test/test_validate.py
+++ b/src/ifcopenshell-python/test/test_validate.py
@@ -16,29 +16,50 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
 
-import glob
-import os
+from pathlib import Path
 
 import pytest
+import tabulate
 
 import ifcopenshell.validate
+from .fixture_generate import FailObj, Result, parse_result
+
+_filepaths = list((Path(__file__).parent / "fixtures/validate").glob("*.ifc"))
 
 
 @pytest.mark.parametrize(
-    "file",
-    glob.glob(os.path.join(os.path.dirname(__file__), "fixtures/validate/*.ifc")),
+    "filepath,expected_result",
+    [(fp, parse_result(fp)) for fp in _filepaths],
+    ids=[fp.name for fp in _filepaths],
 )
-def test_file(file):
+def test_file(filepath: Path, expected_result: Result):
     logger = ifcopenshell.validate.json_logger()
     try:
-        ifcopenshell.validate.validate(file, logger)
-    except ifcopenshell.SchemaError as e:
+        ifcopenshell.validate.validate(filepath, logger)
+    except ifcopenshell.SchemaError:
         pytest.skip()
-    file = os.path.basename(file)
-    if file.startswith("fail-"):
-        assert len(logger.statements) > 0
-    if file.startswith("pass-"):
-        assert len(logger.statements) == 0
+    results = logger.statements
+
+    print()
+    print(filepath.name)
+    print()
+    print(f"{len(results)} errors")
+
+    if results:
+        print(
+            tabulate.tabulate(
+                [[c or "" for c in r.values()] for r in results],
+                maxcolwidths=[20, 100, 20],
+                tablefmt="simple_grid",
+                headers=results[0].keys(),
+            )
+        )
+
+    match expected_result:
+        case FailObj(expected_count=expected_count):
+            assert len(results) == expected_count
+        case "pass":
+            assert len(results) == 0
 
 
 if __name__ == "__main__":