Fix PHP 5.6 / 7

Author: stevebauman

tests/AdldapTest.php

@@ -64,7 +64,7 @@ public function test_auth_passes($credentials = null)
             ))
             ->willReturn(true);
 
-        Event::shouldReceive('fire')->times(5)->withAnyArgs();
+        Event::shouldReceive('fire')->atLeast()->times(5)->withAnyArgs();
 
         $this->assertTrue(Auth::attempt($credentials));