try fix traceback test

Author: bckohan

doc/source/performance.rst

@@ -4,7 +4,8 @@
 Performance
 ===========
 
-
+Django management command startup time can be noticeably slow, especially for large projects with
+many models. We can perceive time at roughly 100 ms, bare
 
 ----------------
 

tests/test_tracebacks.py

@@ -218,15 +218,12 @@ def test_colored_traceback(self):
         )[1]
         self.assertNotIn("\x1b", result)
 
-        env = os.environ.copy()
-        if "GITHUB_ACTIONS" not in env:
-            env["GITHUB_ACTIONS"] = "1"
         result = run_command(
             "test_command1",
             "delete",
             "Brian",
             "--throw",
-            env=env,
+            env={"FORCE_COLOR": "1", **os.environ},
         )[1]
         self.assertIn("\x1b", result)