public String getFunctionErrorMessage() {
        return this.functionErrorMessage;
    }
<p>
If the result of testing the function was an error, this field contains the error message.
</p>

@return If the result of testing the function was an error, this field contains the error message.
aws-java-sdk-cloudfront/src/main/java/com/amazonaws/services/cloudfront/model/TestResult.java