def get_json_blob_by_revisions(project, branch, gaia_revision, gecko_revision,
testId, test_type):
ptm = PerformanceTestModel(project)
test_run_ids = ptm.get_test_run_ids_by_revisions(branch, gaia_revision,
gecko_revision, testId,
test_type)
ptm.disconnect()
ptrm = PerformanceTestRefDataModel(project)
blobs = ptrm.get_object_json_blob_for_test_run(test_run_ids)
ptm.disconnect()
return blobs
