some proper cleanup of pending_events

tests/test.py

@@ -221,6 +221,7 @@ if __name__ == "__main__":
     originalStartTest = unittest.TextTestResult.startTest
     def startTest(self, test):
         originalStartTest(self, test)
+        print()
     unittest.TextTestResult.startTest = startTest
 
     testrunner = unittest.TextTestRunner(verbosity=2).run(testsuite)

tests/testcases/injector.py

@@ -53,7 +53,8 @@ class TestInjector(unittest.TestCase):
             self.injector.stop_injecting()
             self.injector = None
         evdev.InputDevice.grab = self.grab
-        pending_events['device 2'] = []
+        if pending_events.get('device 2') is not None:
+            del pending_events['device 2']
 
     def test_modify_capabilities(self):
         class FakeDevice:

tests/testcases/reader.py

@@ -36,6 +36,10 @@ CODE_3 = 102
 class TestReader(unittest.TestCase):
     def tearDown(self):
         keycode_reader.clear()
+        if pending_events.get('device 1') is not None:
+            del pending_events['device 1']
+        if pending_events.get('device 2') is not None:
+            del pending_events['device 2']
 
     def test_reading(self):
         keycode_reader.start_reading('device 1')