Clarify test relationship to env_case.py fixture

EliahKagan · EliahKagan · commit c547555026e0 · 2023-09-12T00:56:01.000-04:00
diff --git a/test/test_git.py b/test/test_git.py
@@ -109,11 +109,11 @@ def test_it_avoids_upcasing_unrelated_environment_variable_names(self):
         #         name to its own child process (the grandchild).
         cmdline = [
             sys.executable,
-            fixture_path("env_case.py"),
+            fixture_path("env_case.py"),  # Contains steps 3 and 4.
             self.rorepo.working_dir,
             old_name,
         ]
-        pair_text = subprocess.check_output(cmdline, shell=False, text=True)  # Steps 3 and 4.
+        pair_text = subprocess.check_output(cmdline, shell=False, text=True)  # Run steps 3 and 4.
 
         new_name = pair_text.split("=")[0]
         self.assertEqual(new_name, old_name)
