Google\Cloud\Tests\Snippets\Datastore\DatastoreClientTest::testUpsertBatch PHP Method

    public function testUpsertBatch()
    {
        $snippet = $this->snippetFromMethod(DatastoreClient::class, 'upsertBatch');
        $snippet->addLocal('datastore', $this->client);
        $this->connection->commit(Argument::that(function ($args) {
            if (array_keys($args['mutations'][0])[0] !== 'upsert') {
                return false;
            }
            return true;
        }))->shouldBeCalled();
        $res = $snippet->invoke();
    }