### Question:
GitHubPoster { public void setLabel(String l) { this.githubLabel = l; reformatPayloadWithLabel(githubLabel); } GitHubPoster(String uname, String passw, String title, String messagebody); String getHttpResponse(); void setLabel(String l); void setLabel(List<String> labels); String debugLabelsArray4Json(); String debugReformatpayloadWithLabel(); void postIssue();  }### Answer:
@Test public void testPayload() { GitHubPoster poster = new GitHubPoster(null, null, null, null); List<String> labels = new ArrayList<>(); labels.add("loinc"); labels.add("immunology"); poster.setLabel(labels); }