Update tests/test_router.py, .gitlab-ci.yml

.gitlab-ci.yml

-run_tests:
-    stage: test
-    image: python:3.9
-    before_script:
-        - pip install -r requirements.txt
-    script:
-        - python -m unittest discover tests 
+image: "python:3.7"
+
+before_script:
+  - python --version
+  - pip install -r requirements.txt
+
+stages:
+  - Static Analysis
+  - Test
+
+...
+
+pytest:
+  stage: Test
+  script:
+  - pytest 

tests/test_router.py

 
-import unittest
 
+def test_uppercase():
+    assert "loud noises".upper() == "LOUD NOISES"
 
-class TestSum(unittest.TestCase):
-    def test_list_int(self):
-        """
-        Test that it can sum a list of integers
-        """
-        data = [1, 2, 3]
-        result = sum(data)
-        self.assertEqual(result, 6)
+def test_reversed():
+    assert list(reversed([1, 2, 3, 4])) == [4, 3, 2, 1]
 
-if __name__ == '__main__':
-    unittest.main()
+def test_some_primes():
+    assert 37 in {
+        num
+        for num in range(2, 50)
+        if not any(num % div == 0 for div in range(2, num))
+    }
\ No newline at end of file