bpo-43892: Make match patterns explicit in the AST (GH-25585)

Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
diff --git a/Lib/test/test_unparse.py b/Lib/test/test_unparse.py
index ce03272..9f67b49 100644
--- a/Lib/test/test_unparse.py
+++ b/Lib/test/test_unparse.py
@@ -518,7 +518,8 @@ class DirectoryTestCase(ASTTestCase):
     lib_dir = pathlib.Path(__file__).parent / ".."
     test_directories = (lib_dir, lib_dir / "test")
     run_always_files = {"test_grammar.py", "test_syntax.py", "test_compile.py",
-                        "test_ast.py", "test_asdl_parser.py", "test_fstring.py"}
+                        "test_ast.py", "test_asdl_parser.py", "test_fstring.py",
+                        "test_patma.py"}
 
     _files_to_test = None