disable exposure test

old-commit-hash: 5ab6ab3413

Jenkinsfile

@@ -210,7 +210,7 @@ pipeline {
                     phone_steps("tici-party", [
                       ["build", "SCONS_CACHE=1 scons -j8"],
                       ["test camerad", "python selfdrive/camerad/test/test_camerad.py"],
-                      ["test exposure", "python selfdrive/camerad/test/test_exposure.py"],
+                      // ["test exposure", "python selfdrive/camerad/test/test_exposure.py"],
                     ])
                   }
                 }