add: cleanup to unit tests

Author: carsonmh

Diff for: tests/unit_test.py

@@ -2221,3 +2221,8 @@ def test_cleanup():
     os.remove("unit-test-default-cluster.yaml")
     os.remove("test.yaml")
     os.remove("raytest2.yaml")
+    os.remove("quicktest.yaml")
+    os.remove("tls-cluster-namespace/ca.crt")
+    os.remove("tls-cluster-namespace/tls.crt")
+    os.remove("tls-cluster-namespace/tls.key")
+    os.rmdir("tls-cluster-namespace")