fix: fix tests

Author: gulivero1773

Tests/ErrorMiddlewareTests/ErrorResponseTests.swift

@@ -34,15 +34,15 @@ struct ErrorResponseTests {
             isError: true,
             reason: "reason of error",
             error: "error",
-            status: 404,
+            status: "404",
             code: "404.1.0000",
             errorUri: "error uri"
         )
         var secondErrorResponse = ErrorResponse(
             isError: true,
             reason: "reason of error",
             error: "error",
-            status: 404,
+            status: "404",
             code: "404.1.0000",
             errorUri: "error uri"
         )