diff --git a/src/test/cc_binary_test.py b/src/test/cc_binary_test.py
index 03080b32..a82b789e 100644
--- a/src/test/cc_binary_test.py
+++ b/src/test/cc_binary_test.py
@@ -33,8 +33,8 @@ def testGenerateRules(self):
         self.assertCxxFlags(com_string_line)
 
         self.assertLinkFlags(string_main_depends_libs)
-        self.assertIn('liblowercase.a', string_main_depends_libs)
-        self.assertIn('libuppercase.a', string_main_depends_libs)
+        self.assertNotIn('liblowercase.a', string_main_depends_libs)
+        self.assertNotIn('libuppercase.a', string_main_depends_libs)
         self.assertTrue(self.findCommand(['Hello, world']))
 
 
diff --git a/src/test/cc_test_test.py b/src/test/cc_test_test.py
index 7a20601e..3fa6a2d6 100644
--- a/src/test/cc_test_test.py
+++ b/src/test/cc_test_test.py
@@ -35,8 +35,8 @@ def testGenerateRules(self):
         self.assertCxxFlags(com_string_line)
 
         self.assertLinkFlags(string_main_depends_libs)
-        self.assertIn('liblowercase.a', string_main_depends_libs)
-        self.assertIn('libuppercase.a', string_main_depends_libs)
+        self.assertNotIn('liblowercase.a', string_main_depends_libs)
+        self.assertNotIn('libuppercase.a', string_main_depends_libs)
 
 
 if __name__ == '__main__':
diff --git a/src/test/test_target_test.py b/src/test/test_target_test.py
index 0ec20a29..ecab27e5 100644
--- a/src/test/test_target_test.py
+++ b/src/test/test_target_test.py
@@ -34,7 +34,7 @@ def testTestRunnerCorrectly(self):
         self.assertCxxFlags(com_string_line)
 
         self.assertLinkFlags(string_main_depends_libs)
-        self.assertIn('liblowercase.a', string_main_depends_libs)
+        self.assertNotIn('liblowercase.a', string_main_depends_libs)
 
 
 if __name__ == '__main__':