Implement human readable rdfs labels in Brickschema navigator

src/blenderbim/test/files/spaces.ttl

@@ -1,12 +1,14 @@
 @prefix digitaltwin: <http://example.org/digitaltwin#> .
 @prefix brick: <https://brickschema.org/schema/Brick#> .
 @prefix unit: <http://qudt.org/vocab/unit/> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 
 digitaltwin:site a brick:Site ;
     brick:buildingPrimaryFunction [ brick:value "Library" ] ;
     brick:hasPart digitaltwin:bldg .
 
 digitaltwin:bldg a brick:Building ;
+    rdfs:label "My Building" ;
     brick:hasPart digitaltwin:floor .
 
 digitaltwin:floor a brick:Floor ;

src/blenderbim/test/tool/test_brick.py

@@ -263,10 +263,12 @@ class TestImportBrickClasses(NewFile):
         assert brick.name == "Building"
         assert brick.uri == "https://brickschema.org/schema/Brick#Building"
         assert brick.total_items == 1
+        assert not brick.label
         brick = bpy.context.scene.BIMBrickProperties.bricks[1]
         assert brick.name == "Location"
         assert brick.uri == "https://brickschema.org/schema/Brick#Location"
         assert brick.total_items == 1
+        assert not brick.label
 
 
 class TestImportBrickItems(NewFile):
@@ -276,6 +278,7 @@ class TestImportBrickItems(NewFile):
         assert len(bpy.context.scene.BIMBrickProperties.bricks) == 1
         brick = bpy.context.scene.BIMBrickProperties.bricks[0]
         assert brick.name == "bldg"
+        assert brick.label == "My Building"
         assert brick.uri == "http://example.org/digitaltwin#bldg"
         assert brick.total_items == 0