@Parameterized.Parameters
  public static List<Object[]> data() {
    return Arrays.asList(new Object[][]{{QuotaMethod.READ}, {QuotaMethod.WRITE}});
  }
Constructor for {@link QuotaAwareOperationControllerTest}.
@param quotaMethod {@link QuotaMethod} to use for the test run.
ambry-router/src/test/java/com/github/ambry/router/QuotaAwareOperationControllerTest.java