refined general robustness tests

tests/api/robust_wrong_content_empty-tests.json

@@ -367,11 +367,5 @@
 				]
 			}
 		}
-	],
-	"variable": [
-		{
-			"key": "response-schema:error",
-			"value": ""
-		}
 	]
 }

tests/api/robust_wrong_content_payload-tests.json

@@ -1339,11 +1339,5 @@
 				]
 			}
 		}
-	],
-	"variable": [
-		{
-			"key": "response-schema:error",
-			"value": ""
-		}
 	]
 }

tests/api/robust_wrong_method-data.json

@@ -45,5 +45,13 @@
   {"endpoint": "explain", "forbidden_method": "DELETE"},
   {"endpoint": "explain", "forbidden_method": "OPTIONS"},
   {"endpoint": "explain", "forbidden_method": "TRACE"},
-  {"endpoint": "explain", "forbidden_method": "PATCH"}
+  {"endpoint": "explain", "forbidden_method": "PATCH"},
+  
+  {"endpoint": "state", "forbidden_method": "POST"},
+  {"endpoint": "state", "forbidden_method": "HEAD"},
+  {"endpoint": "state", "forbidden_method": "PUT"},
+  {"endpoint": "state", "forbidden_method": "DELETE"},
+  {"endpoint": "state", "forbidden_method": "OPTIONS"},
+  {"endpoint": "state", "forbidden_method": "TRACE"},
+  {"endpoint": "state", "forbidden_method": "PATCH"}
 ]

tests/api/robust_wrong_method-tests.json

@@ -109,11 +109,5 @@
 				]
 			}
 		}
-	],
-	"variable": [
-		{
-			"key": "response-schema:error",
-			"value": ""
-		}
 	]
 }