@Parameterized.Parameters
  public static List<Object[]> data() {
    return Arrays.asList(new Object[][]{{false, false}, {false, true}, {true, false}, {true, true}});
  }
Initialize parameters common to all tests.
@param testEncryption {@code true} to test with encryption enabled. {@code false} otherwise
@param routerEnableReservedMetadata  if true, enable router reserved metadata chunk feature.
@throws Exception if initialization fails
ambry-router/src/test/java/com/github/ambry/router/S3NonBlockingRouterTest.java