fixed EDU-253 Replace tests template

python/edu/course-creator/resources/fileTemplates/internal/tests.py.ft

@@ -4,7 +4,7 @@ from test_helper import run_common_tests, failed, passed, get_task_windows
 def test_task_windows():
     windows = get_task_windows()
     window = windows[0]
-    if window != "":       # TODO: your condition here
+    if window == "":       # TODO: your condition here
         passed()
     else:
         failed()
@@ -12,6 +12,6 @@ def test_task_windows():
 
 if __name__ == '__main__':
     run_common_tests()
-    # test_task_windows()
+    # test_task_windows()       # TODO: uncomment test call