Skip failing tests on MongoDB 4.9

Author: alcaeus

tests/FunctionalTestCase.php

@@ -393,6 +393,13 @@ protected function skipIfClientSideEncryptionIsNotSupported()
         }
     }
 
+    protected function skipIfGeoHaystackIndexIsNotSupported()
+    {
+        if (version_compare($this->getServerVersion(), '4.9', '>=')) {
+            $this->markTestSkipped('GeoHaystack indexes cannot be created in version 4.9 and above');
+        }
+    }
+
     protected function skipIfTransactionsAreNotSupported()
     {
         if ($this->getPrimaryServer()->getType() === Server::TYPE_STANDALONE) {

tests/Model/IndexInfoFunctionalTest.php

@@ -51,6 +51,8 @@ public function testIs2dSphere()
 
     public function testIsGeoHaystack()
     {
+        $this->skipIfGeoHaystackIndexIsNotSupported();
+
         $indexName = $this->collection->createIndex(['pos' => 'geoHaystack', 'x' => 1], ['bucketSize' => 5]);
         $result = $this->collection->listIndexes();