Updated test for PHP7

tests/Solarium/Tests/QueryType/Update/Query/Command/AddTest.php

@@ -64,6 +64,12 @@ class AddTest extends \PHPUnit_Framework_TestCase
 
     public function testAddDocumentWithInvalidDocument()
     {
+        // Starting from PHP7 typehints are checked by PHP and handled using a TypeException. For versions 5.x Solarium
+        // needs to do this, so only test for those versions.
+        if (version_compare(PHP_VERSION, '6.0.0') >= 0) {
+            $this->markTestSkipped('Typehint handling check not needed, built into current PHP version');
+        }
+
         try {
             $doc = new \StdClass();
             $this->command->addDocument($doc);