Using roleArn results in error 'Access key cannot be null' about aws-device-farm-gradle-plugin HOT 12 OPEN

    public AWSDeviceFarm initializeApiClient(final DeviceFarmExtension extension) {
        final AWSDeviceFarmClientBuilder clientBuilder = AWSDeviceFarmClientBuilder.standard();
        final Authentication authentication = extension.getAuthentication();
        final AWSCredentialsProvider credentialsProvider = getAwsCredentialsProvider(authentication);
        final ClientConfiguration clientConfiguration = new ClientConfiguration()
                .withUserAgentSuffix(String.format(extension.getUserAgent(), pluginVersion));
        return clientBuilder.withCredentials(credentialsProvider)
                .withClientConfiguration(clientConfiguration)
                .withRegion("us-west-2")
                .build();
    }

    private AWSCredentialsProvider getAwsCredentialsProvider(Authentication authentication) {
        AWSCredentialsProvider credentialsProvider;
        if (authentication != null && authentication.isValid()) {
            if (authentication.getRoleArn() != null) {
                credentialsProvider = new STSAssumeRoleSessionCredentialsProvider
                        .Builder(authentication.getRoleArn(), RandomStringUtils.randomAlphanumeric(8))
                        .build();
            } else {
                BasicAWSCredentials credentials = new BasicAWSCredentials(authentication.getAccessKey(), authentication.getSecretKey());
                credentialsProvider = new STSSessionCredentialsProvider(credentials);
            }
        } else {
            credentialsProvider = DefaultAWSCredentialsProviderChain.getInstance();
        }
        return credentialsProvider;
    }