DocBlock: Fix parameter types in @param annotations

Author: Naktibalda

src/Codeception/Module/REST.php

@@ -1581,8 +1581,8 @@ public function dontSeeXmlResponseIncludes($xml)
      * ?>
      * ```
      *
-     * @param $hash the hashed data response expected
-     * @param $algo the hash algorithm to use. Default md5.
+     * @param string $hash the hashed data response expected
+     * @param string $algo the hash algorithm to use. Default md5.
      * @part json
      * @part xml
      */
@@ -1602,8 +1602,8 @@ public function seeBinaryResponseEquals($hash, $algo = 'md5')
      * ```
      * Opposite to `seeBinaryResponseEquals`
      *
-     * @param $hash the hashed data response expected
-     * @param $algo the hash algorithm to use. Default md5.
+     * @param string $hash the hashed data response expected
+     * @param string $algo the hash algorithm to use. Default md5.
      * @part json
      * @part xml
      */

tests/unit/Codeception/Module/RestTest.php

@@ -243,7 +243,7 @@ public function queryParamsAwareMethods()
      */
     public function testThrowsExceptionIfParametersIsString($method)
     {
-        $this->expectExceptionMessage($method, ' parameters must be passed in array format');
+        $this->expectExceptionMessage($method . ' parameters must be passed in array format');
         $this->module->send($method, '/', 'string');
     }