Removed the old mixed test
Removed the old mixed test


Former-commit-id: 5410e7d505a87bb2a447b780db9db000928d4101 [formerly e7551bddf66a07644d4e69019f4624033127c18e] [formerly e7551bddf66a07644d4e69019f4624033127c18e [formerly 2fc800890a36cbfd7e7b51c6ac0cfc89f8bfb3b6]]
Former-commit-id: a4a7daadbebd296b11f1659775ae8f0968f022b6
Former-commit-id: cfe7a7d8b7bdcb8ebc52d4a5e4c266231e956a6e
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine