Add some sleeps and debug output to rule out race condition for GitHu…

…b Actions test failure

mutmut/__main__.py

@@ -891,7 +891,8 @@ def run_forced_fail_test(runner):
         try:
             if runner.run_forced_fail() == 0:
                 catcher.dump_output()
-                print("FAILED: Unable to force test failures")
+                print("\nFAILED: Unable to force test failures")
+                sleep(2)
                 raise SystemExit(1)
         except MutmutProgrammaticFailException:
             pass

tests/test_mutation.py

@@ -1,5 +1,6 @@
 import os
 from io import StringIO
+from time import sleep
 from unittest.mock import Mock
 
 import pytest
@@ -419,6 +420,11 @@ def test_run_forced_fail_test_with_failing_test(capfd):
     run_forced_fail_test(runner)
 
     out, err = capfd.readouterr()
+    print(f"out: {out}")
+    print(f"err: {err}")
+    sleep(2)
+    print(f"out: {out}")
+    print(f"err: {err}")
     assert 'Running forced fail test' in out
     assert 'done' in out
     assert os.environ['MUTANT_UNDER_TEST'] is ''
@@ -431,6 +437,11 @@ def test_run_forced_fail_test_with_mutmut_programmatic_fail_exception(capfd):
     run_forced_fail_test(runner)
 
     out, err = capfd.readouterr()
+    print(f"out: {out}")
+    print(f"err: {err}")
+    sleep(2)
+    print(f"out: {out}")
+    print(f"err: {err}")
     assert 'Running forced fail test' in out
     assert 'done' in out
     assert os.environ['MUTANT_UNDER_TEST'] is ''
@@ -445,6 +456,11 @@ def test_run_forced_fail_test_with_all_tests_passing(capfd):
 
     assert error.value.code is 1
     out, err = capfd.readouterr()
+    print(f"out: {out}")
+    print(f"err: {err}")
+    sleep(2)
+    print(f"out: {out}")
+    print(f"err: {err}")
     assert 'Running forced fail test' in out
     assert 'FAILED: Unable to force test failures' in out