Fix getting the type of unexpected reject reason

Author: Furgas

src/functions.php

@@ -87,7 +87,7 @@ function ($error) use (&$exception, &$rejected, &$wait, $loop) {
     if ($rejected) {
         if (!$exception instanceof \Exception) {
             $exception = new \UnexpectedValueException(
-                'Promise rejected with unexpected value of type ' . (is_object(($exception) ? get_class($exception) : gettype($exception))),
+                'Promise rejected with unexpected value of type ' . (is_object($exception) ? get_class($exception) : gettype($exception)),
                 0,
                 $exception instanceof \Throwable ? $exception : null
             );

tests/FunctionAwaitTest.php

@@ -19,6 +19,7 @@ public function testAwaitOneRejected()
 
     /**
      * @expectedException UnexpectedValueException
+     * @expectedExceptionMessage Promise rejected with unexpected value of type bool
      */
     public function testAwaitOneRejectedWithFalseWillWrapInUnexpectedValueException()
     {
@@ -29,6 +30,7 @@ public function testAwaitOneRejectedWithFalseWillWrapInUnexpectedValueException(
 
     /**
      * @expectedException UnexpectedValueException
+     * @expectedExceptionMessage Promise rejected with unexpected value of type NULL
      */
     public function testAwaitOneRejectedWithNullWillWrapInUnexpectedValueException()
     {
@@ -48,6 +50,7 @@ public function testAwaitOneRejectedWithPhp7ErrorWillWrapInUnexpectedValueExcept
             Block\await($promise, $this->loop);
             $this->fail();
         } catch (UnexpectedValueException $e) {
+            $this->assertEquals('Promise rejected with unexpected value of type Error', $e->getMessage());
             $this->assertInstanceOf('Throwable', $e->getPrevious());
             $this->assertEquals('Test', $e->getPrevious()->getMessage());
         }