Adding a test for detect_aws_credentials when key contains spaces

tests/detect_aws_credentials_test.py

diff --git a/tests/detect_aws_credentials_test.py b/tests/detect_aws_credentials_test.py
index 954f3d8..f1bd7d4 100644
--- a/tests/detect_aws_credentials_test.py
+++ b/tests/detect_aws_credentials_test.py
@@ -83,6 +83,7 @@
             },
         ),
         ('aws_config_without_secrets.ini', set()),
+        ('aws_config_without_secrets_with_spaces.ini', set()),
         ('nonsense.txt', set()),
         ('ok_json.json', set()),
     ),
@@ -100,6 +101,7 @@
         ('aws_config_with_session_token.ini', 1),
         ('aws_config_with_multiple_sections.ini', 1),
         ('aws_config_without_secrets.ini', 0),
+        ('aws_config_without_secrets_with_spaces.ini', 0),
         ('nonsense.txt', 0),
         ('ok_json.json', 0),
     ),