Corrected BDD tests

jrnl/config.py

@@ -164,7 +164,9 @@ def load_config(config_path):
     if duplicate_keys:
         print_msg(
             Message(
-                MsgText.ConfigDoubleKeys, MsgStyle.WARNING, {"duplicate_keys": duplicate_keys}
+                MsgText.ConfigDoubleKeys,
+                MsgStyle.WARNING,
+                {"duplicate_keys": duplicate_keys},
             )
         )
 

tests/bdd/features/config_file.feature

@@ -104,7 +104,19 @@ Feature: Multiple journals
         When we run "jrnl --cf empty_file.yaml"
         Then the error output should contain "Unable to parse config file"
 
-    Scenario: Show a warning message when the config file contains double keys at the same level
-        Given we use the config "double_keys.yaml"
+    Scenario: Show a warning message when the config file contains duplicate keys at the same level
+        Given the config "duplicate_keys.yaml" exists
+        And we use the config "duplicate_keys.yaml"
         When we run "jrnl -1"
         Then the output should contain "One or more keys appear multiple times at the same level"
+    
+    Scenario: Show a warning message when using --config-file with duplicate keys
+        Given the config "duplicate_keys.yaml" exists
+        And we use the config "multiple.yaml"
+        When we run "jrnl --cf duplicate_keys.yaml -1"
+        Then the output should contain "One or more keys appear multiple times at the same level"
+
+    Scenario: Don't show a duplicate keys warning message when using --config-override on an existing value
+        Given we use the config "multiple.yaml"
+        When we run "jrnl --config-override highlight false"
+        Then the output should not contain "One or more keys appear multiple times at the same level"