errors about rejoiner HOT 2 OPEN

@luziyuan002

from rejoiner.

rejoiner/rejoiner/src/test/java/com/google/api/graphql/rejoiner/RejoinerIntegrationTest.java

Lines 56 to 78 in 96fbb95

	static class SampleGraphQLException extends RuntimeException implements GraphQLError {
	@Override
	public String getMessage() {
	return "Test GraphQLError";
	}
	@Override
	public List<SourceLocation> getLocations() {
	return null;
	}
	@Override
	public ErrorType getErrorType() {
	return ErrorType.DataFetchingException;
	}
	@Override
	public Map<String, Object> getExtensions() {
	HashMap<String, Object> extensions = Maps.newHashMap();
	extensions.put("error", "message");
	return extensions;
	}
	}

rejoiner/rejoiner/src/test/java/com/google/api/graphql/rejoiner/RejoinerIntegrationTest.java

Lines 137 to 141 in 96fbb95

	@Query("greetingWithGraphQLError")
	ListenableFuture<GreetingsResponse> greetingsWithGraphqlError(GreetingsRequest request) {
	throw new SampleGraphQLException();
	}
	}

@luziyuan002

Thank you, I think I know what to do.

from rejoiner.