diff --git a/.travis.yml b/.travis.yml
index e3f28d2..37fa313 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,5 @@
 language: python
+python:
+  - 3.8
 script:
-  - pytest
\ No newline at end of file
+  - python -m unittest discover test
\ No newline at end of file
diff --git a/test/TestClock.py b/test/test_clock.py
similarity index 93%
rename from test/TestClock.py
rename to test/test_clock.py
index 2c6ac3d..f5bf568 100644
--- a/test/TestClock.py
+++ b/test/test_clock.py
@@ -11,4 +11,4 @@ def test_the_time(self, mock):
 
 
 if __name__ == '__main__':
-    unittest.main()
+    unittest.main()
\ No newline at end of file
diff --git a/test/TestWithMock.py b/test/test_with_mock.py
similarity index 99%
rename from test/TestWithMock.py
rename to test/test_with_mock.py
index 9838ed8..0778c3d 100644
--- a/test/TestWithMock.py
+++ b/test/test_with_mock.py
@@ -1,7 +1,8 @@
 import unittest
-from temperature_tracker import TemperatureTracker
 from unittest.mock import Mock
 
+from temperature_tracker import TemperatureTracker
+
 
 class TestWithMock(unittest.TestCase):
 
diff --git a/test/TestWithPatch.py b/test/test_with_patch.py
similarity index 100%
rename from test/TestWithPatch.py
rename to test/test_with_patch.py