refactoring : remove unused code

tcr.py

@@ -2,7 +2,7 @@ class Tcr:
     def __init__(self, outside):
         self.outside = outside
 
-    def run(self, test_will_fail=False):
+    def run(self):
         self.outside.commit_test()
         if self.outside.run_tests():
             self.outside.commit_source()

test_tcr.py

@@ -45,7 +45,7 @@ def test_should_commit_source_when_test_pass(outside, tcr):
 def test_should_not_commit_when_test_fail(outside, tcr):
     outside.test_will_fail = True
 
-    tcr.run(True)
+    tcr.run()
 
     assert not outside.source_commit_done, "Source should not be commited"
 
@@ -53,7 +53,7 @@ def test_should_not_commit_when_test_fail(outside, tcr):
 def test_should_revert_when_test_fail(outside, tcr):
     outside.test_will_fail = True
 
-    tcr.run(True)
+    tcr.run()
 
     assert outside.source_revert_done, "Source should be reverted"