1 files changed, 4 insertions, 3 deletions
diff --git a/src/engine/SCons/EnvironmentTests.py b/src/engine/SCons/EnvironmentTests.py
index 7fa8af4..5235342 100644
--- a/src/engine/SCons/EnvironmentTests.py
+++ b/src/engine/SCons/EnvironmentTests.py
@@ -29,10 +29,12 @@ import copy
 import io
 import os
 import sys
-import TestCmd
 import unittest
 from collections import UserDict as UD, UserList as UL
 
+import TestCmd
+import TestUnit
+
 from SCons.Environment import *
 import SCons.Warnings
 
@@ -3999,8 +4001,7 @@ if __name__ == "__main__":
     for tclass in tclasses:
         names = unittest.getTestCaseNames(tclass, 'test_')
         suite.addTests(list(map(tclass, names)))
-    if not unittest.TextTestRunner().run(suite).wasSuccessful():
-        sys.exit(1)
+    TestUnit.run(suite)
 
 # Local Variables:
 # tab-width:4