insertDefaultPropertyGroup example

$this->cacheInvalidatorMock = $this->createMock(CacheInvalidator::class);
        $this->cacheInvalidationSubscriber = new CacheInvalidationSubscriber(
            $this->cacheInvalidatorMock,
            $this->getContainer()->get(Connection::class),
            false,
            false
        );
    }

    public function testItInvalidatesCacheIfPropertyGroupIsChanged(): void
    {
        $this->insertDefaultPropertyGroup();

        $groupRepository = $this->getContainer()->get('property_group.repository');
        $event = $groupRepository->update([
            [
                'id' => $this->ids->get('group1'),
                'sortingType' => PropertyGroupDefinition::SORTING_TYPE_POSITION,
            ],
        ], Context::createDefaultContext());

        $this->cacheInvalidatorMock->expects(static::once())
            ->method('invalidate')