diff --git a/unittests/test_authentication_plain.py b/unittests/test_authentication_plain.py
index 1b7cbf0cd9a61b6ddadf54f908b25a82d87efa42..8548749a0d46d2fed7fc1cb147dffee079e7dbe7 100644
--- a/unittests/test_authentication_plain.py
+++ b/unittests/test_authentication_plain.py
@@ -33,6 +33,12 @@ from pytest import raises
 
 
 def test_subclass_configure():
+    # TODO I do not see the meaning of this test.
+    #It only tests, that the call of the super version of configure sets the 
+    #password property. And that due to the subclassing no longer a password 
+    # argument can be provided.
+    # Suggestion: Either remove this test or state in what context this test
+    # is meanigful.
     """Test the correct passing of the password argument."""
     class SubClassOf(PlainTextCredentialsProvider):
         """A simple subclass of PlainTextCredentialsProvider."""
diff --git a/unittests/test_connection.py b/unittests/test_connection.py
index 60f1b73584f06f3e691ecbf52303906366e96fc0..1dfd1fce730d4d4ba627eb4c27830b0c5156fb29 100644
--- a/unittests/test_connection.py
+++ b/unittests/test_connection.py
@@ -157,6 +157,7 @@ def test_init_response():
     response = MockUpResponse(
         status=200, headers={"sessionToken": "SessionToken"}, body="Body")
     there(response)
+
     return response
 
 
@@ -180,6 +181,7 @@ def test_getter_session_token():
 def test_init_connection():
     connection = MockUpServerConnection()
     there(connection)
+
     return connection
 
 
@@ -189,6 +191,7 @@ def test_resources_list():
     assert len(connection.resources) == 1
     connection.resources.append(lambda **kwargs: test_init_response())
     assert len(connection.resources) == 2
+
     return connection
 
 
@@ -219,6 +222,7 @@ def setup_two_resources():
 
     connection = test_init_connection()
     connection.resources.extend([r1, r2, r3])
+
     return connection