Major fixes and new features

venv/lib/python3.12/site-packages/mypyc/test/config.py

@@ -0,0 +1,13 @@
+from __future__ import annotations
+
+import os
+
+provided_prefix = os.getenv("MYPY_TEST_PREFIX", None)
+if provided_prefix:
+    PREFIX = provided_prefix
+else:
+    this_file_dir = os.path.dirname(os.path.realpath(__file__))
+    PREFIX = os.path.dirname(os.path.dirname(this_file_dir))
+
+# Location of test data files such as test case descriptions.
+test_data_prefix = os.path.join(PREFIX, "mypyc", "test-data")