def union(self, query, all=False):
        self.unions.append({
            'query': query,
            'all': all
        })

        return self.merge_bindings(query)
Run a simple command and verify it works.
dataset/ETHPy150Open sdispater/orator/orator/query/builder.py/QueryBuilder.union--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/compute-image-packages/legacy/gcimagebundle/gcimagebundlelib/tests/utils_test.py/ImageBundleTest.testRunCommand