bonsai pytest.ini - specify plugins explicitly

To make it possible to run the tests with PYTEST_DISABLE_PLUGIN_AUTOLOAD set, which is very useful if you don't want to start Blender anytime you run any tests on your system.

src/bonsai/pytest.ini

@@ -37,4 +37,10 @@ markers =
     unit
     void
     web
-addopts = --color=yes --code-highlight=yes
+
+# Provide plugins explicitly, so it will be possible run tests with PYTEST_DISABLE_PLUGIN_AUTOLOAD.
+addopts =
+    -p pytest-blender
+    -p pytest-bdd
+    --color=yes
+    --code-highlight=yes