new REST / InnerBrowser Asserts (#5030)

* new assertions to assert "ranges" of status-codes (e.g., if it is a client-error --> 4xx)

* add missing test

Author: johannesschobel

src/Codeception/Module/REST.php

@@ -1161,6 +1161,39 @@ public function dontSeeResponseCodeIs($code)
         $this->connectionModule->dontSeeResponseCodeIs($code);
     }
 
+    /**
+     * Checks that the response code is 2xx
+     */
+    public function seeResponseCodeIsSuccessful()
+    {
+        $this->connectionModule->seeResponseCodeIsSuccessful();
+    }
+
+    /**
+     * Checks that the response code 3xx
+     */
+    public function seeResponseCodeIsRedirection()
+    {
+        $this->connectionModule->seeResponseCodeIsRedirection();
+    }
+
+    /**
+     * Checks that the response code is 4xx
+     */
+    public function seeResponseCodeIsClientError()
+    {
+        $this->connectionModule->seeResponseCodeIsClientError();
+    }
+
+    /**
+     * Checks that the response code is 5xx
+     */
+    public function seeResponseCodeIsServerError()
+    {
+        $this->connectionModule->seeResponseCodeIsServerError();
+    }
+
+
     /**
      * Checks whether last response was valid XML.
      * This is done with libxml_get_last_error function.