add new line to fixtures

Author: pushpak1300

tests/fixtures/mcp-comments-in-strings.json

@@ -7,4 +7,4 @@
       "command": "test"
     }
   }
-}
+}

tests/fixtures/mcp-empty-configkey.json5

@@ -8,4 +8,4 @@
             "type": "promptString"
         }
     ]
-}
+}

tests/fixtures/mcp-empty.json

@@ -1 +1 @@
-{}
+{}

tests/fixtures/mcp-plain.json

@@ -4,4 +4,4 @@
   "nested": {
     "key": "value"
   }
-}
+}

tests/fixtures/mcp-trailing-comma.json5

@@ -6,4 +6,4 @@
         }, // Trailing comma here
     },
     "inputs": []
-}
+}

tests/fixtures/mcp-with-servers.json

@@ -6,4 +6,4 @@
     }
   },
   "other": "data"
-}
+}