diff --git a/test/request_models.dart b/test/request_models.dart
index 0c3d85e2..67ff2835 100644
--- a/test/request_models.dart
+++ b/test/request_models.dart
@@ -209,7 +209,12 @@ const requestModelPost2 = RequestModel(
   url: 'https://api.apidash.dev/case/lower',
   method: HTTPVerb.post,
   requestBody: r"""{
-"text": "I LOVE Flutter"
+"text": "I LOVE Flutter",
+"flag": null,
+"male": true,
+"female": false,
+"no": 1.2,
+"arr": ["null", "true", "false", null]
 }""",
 );