isDefaultPrevented example

->willReturn(['ALTER TABLE pizza ADD COLUMN extra_cheese boolean']);

        // we use the platform to generate the full create table sql         $platform->expects($this->once())
            ->method('getCreateTableSQL')
            ->with($table)
            ->willReturn('CREATE TABLE pizza (id integer NOT NULL)');

        $subscriber = new MessengerTransportDoctrineSchemaListener([$otherTransport, $doctrineTransport]);

        $subscriber->onSchemaCreateTable($event);
        $this->assertTrue($event->isDefaultPrevented());
        $this->assertSame([
            'CREATE TABLE pizza (id integer NOT NULL)',
            'ALTER TABLE pizza ADD COLUMN extra_cheese boolean',
        ], $event->getSql());
    }

    public function testOnSchemaCreateTableNoExtraSql()
    {
        $platform = $this->createMock(AbstractPlatform::class);
        $table = new Table('queue_table');
        $event = new SchemaCreateTableEventArgs($table, [], [], $platform);