def tearDown(self):
        os.unlink(YeditTest.filename)
Outer joins t1->t2,t3, where on t1 and t3.
dataset/ETHPy150Open openshift/openshift-ansible/test/units/yedit_test.py/YeditTest.tearDown--crossover with--dataset/ETHPy150Open zzzeek/sqlalchemy/test/sql/test_query.py/JoinTest.test_outerjoin_where_x2_t1t3