diff --git a/test/detector_tests.py b/test/detector_tests.py
index 346f59f411f25f1894ee2f59d7749d416cd22d7a..9c2c459c966f17f9344010a1282aea7d6c1aa831 100644
--- a/test/detector_tests.py
+++ b/test/detector_tests.py
@@ -389,3 +389,7 @@ class TestDetector(unittest.TestCase):
         self.ifo.data = np.array([2])
         self.ifo.power_spectral_density.power_spectral_density_interpolated = MagicMock(return_value=np.array([1]))
         self.assertTrue(np.array_equal(self.ifo.whitened_data, np.array([2])))
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/test/sampler_tests.py b/test/sampler_tests.py
index dad95096364678d7474a9a7b42f115af21169ed2..b380df85992e4c33c05b2d2702a04687f63f504d 100644
--- a/test/sampler_tests.py
+++ b/test/sampler_tests.py
@@ -127,4 +127,8 @@ class TestSampler(unittest.TestCase):
     def test_base_run_sampler(self):
         sampler_copy = copy.copy(self.sampler)
         self.sampler._run_external_sampler()
-        self.assertDictEqual(sampler_copy.__dict__, self.sampler.__dict__)
\ No newline at end of file
+        self.assertDictEqual(sampler_copy.__dict__, self.sampler.__dict__)
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/test/waveform_generator_tests.py b/test/waveform_generator_tests.py
index 0292cfaba5ab25d673a2cbebdd7379182b795987..34cc7925d4ba3aa788781810cff60df99247798b 100644
--- a/test/waveform_generator_tests.py
+++ b/test/waveform_generator_tests.py
@@ -96,4 +96,4 @@ class TestSourceModelSetter(unittest.TestCase):
 
 
 if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file
+    unittest.main()