diff --git a/scripts/ci/test_gate.sh b/scripts/ci/test_gate.sh
index 6bb651c..3669abe 100755
--- a/scripts/ci/test_gate.sh
+++ b/scripts/ci/test_gate.sh
@@ -83,10 +83,13 @@ test_category_names = {
     'integration', 'manual', 'performance', 'regression', 'reliability',
     'security', 'smoke', 'system', 'ui', 'unit',
 }
+support_category_names = {'fixtures', 'golden', 'helpers'}
 
 def normalize_category(category: str) -> str:
     if category in test_category_names:
         return category
+    if category in support_category_names:
+        return 'uncategorized'
     return 'uncategorized'
 
 manifest_path = pathlib.Path('tests/test-taxonomy-manifest.json')
@@ -162,7 +165,7 @@ def category_for_target(target: str) -> str:
             return category_by_test_name[binary_name]
     parts = pathlib.PurePosixPath(target).parts
     if len(parts) >= 2 and parts[0] == 'tests':
-        return parts[1]
+        return normalize_category(parts[1])
     if target.startswith('src/'):
         return 'unit'
     return 'uncategorized'