diff --git a/stix2/test/v20/test_core.py b/stix2/test/v20/test_parsing.py
similarity index 100%
rename from stix2/test/v20/test_core.py
rename to stix2/test/v20/test_parsing.py
diff --git a/stix2/test/v21/test_core.py b/stix2/test/v21/test_parsing.py
similarity index 100%
rename from stix2/test/v21/test_core.py
rename to stix2/test/v21/test_parsing.py