Update REST.php

See #22

src/Codeception/Module/REST.php

@@ -201,7 +201,7 @@ protected function getRunningClient(): AbstractBrowser
  }
 
  /**
- * Sets a HTTP header to be used for all subsequent requests. Use [`deleteHeader`](#deleteHeader) to unset it.
+ * Sets a HTTP header to be used for all subsequent requests. Use [`unsetHttpHeader`](#unsetHttpHeader) to unset it.
  *
  * ```php
  * <?php
@@ -218,7 +218,7 @@ public function haveHttpHeader(string $name, string $value): void
  }
 
  /**
- * Deletes a HTTP header (that was originally added by [haveHttpHeader()](#haveHttpHeader)),
+ * Unsets a HTTP header (that was originally added by [haveHttpHeader()](#haveHttpHeader)),
  * so that subsequent requests will not send it anymore.
  *
  * Example:
@@ -227,18 +227,26 @@ public function haveHttpHeader(string $name, string $value): void
  * $I->haveHttpHeader('X-Requested-With', 'Codeception');
  * $I->sendGet('test-headers.php');
  * // ...
- * $I->deleteHeader('X-Requested-With');
+ * $I->unsetHttpHeader('X-Requested-With');
  * $I->sendPost('some-other-page.php');
  * ```
  *
- * @param string $name the name of the header to delete.
+ * @param string $name the name of the header to unset.
  * @part json
  * @part xml
  */
- public function deleteHeader(string $name): void
+ public function unsetHttpHeader(string $name): void
  {
  $this->connectionModule->deleteHeader($name);
  }
+
+ /**
+ * @deprecated Use [unsetHttpHeader](#unsetHttpHeader) instead
+ */
+ public function deleteHeader(string $name): void
+ {
+ $this->unsetHttpHeader($name);
+ }
 
  /**
  * Checks over the given HTTP header and (optionally)