Resolve "Change the processing of the `stories` rule to a `height` GEM Taxonomy tag"

Closes #15 (closed)

tests/conftest.py

@@ -26,6 +26,7 @@ from rulelib import Rule
 
 @pytest.fixture
 def height_and_floorspace_rule():
+    raise ValueError(os.getenv("CI_BUILDS_DIR"))
     # Create a temporary ZIP file from the `height_and_floorspace` rule.
     source_dir = (
         "/builds/globaldynamicexposure/rabotnik/rabotnik-rules/building/"