selector: js_test: roots: - jstests/mmap_v1/*.js executor: js_test: config: shell_options: global_vars: TestData: storageEngine: mmapv1 readMode: commands hooks: - class: ValidateCollections - class: CleanEveryN n: 20 fixture: class: MongoDFixture mongod_options: set_parameters: enableTestCommands: 1 storageEngine: mmapv1