NodeTest::testGetPresenceWithEnabledISAndGroupingEnabled PHP Method

    public function testGetPresenceWithEnabledISAndGroupingEnabled()
    {
        $GLOBALS['cfg']['Server']['DisableIS'] = false;
        $GLOBALS['cfg']['NavigationTreeEnableGrouping'] = true;
        $GLOBALS['cfg']['NavigationTreeDbSeparator'] = '_';
        $query = "SELECT COUNT(*) ";
        $query .= "FROM ( ";
        $query .= "SELECT DISTINCT SUBSTRING_INDEX(SCHEMA_NAME, '_', 1) ";
        $query .= "DB_first_level ";
        $query .= "FROM INFORMATION_SCHEMA.SCHEMATA ";
        $query .= "WHERE TRUE ";
        $query .= ") t ";
        // It would have been better to mock _getWhereClause method
        // but strangely, mocking private methods is not supported in PHPUnit
        $node = NodeFactory::getInstance();
        $dbi = $this->getMockBuilder('PMA\\libraries\\DatabaseInterface')->disableOriginalConstructor()->getMock();
        $dbi->expects($this->once())->method('fetchValue')->with($query);
        $GLOBALS['dbi'] = $dbi;
        $node->getPresence();
    }