added more unit tests

tests/test_config.py

@@ -0,0 +1,6 @@
+import unittest
+
+
+class TestConfig(unittest.TestCase):
+  def test_config(self):
+    pass

tests/test_process.py

@@ -0,0 +1,11 @@
+import unittest
+from unittest.mock import Mock
+
+from src.process import start_process
+
+
+class TestProcess(unittest.TestCase):
+  def test_process(self):
+    start_process(logger=Mock())
+
+