### Question:
HTTPArtifact { public HTTPArtifact url(String url) { this.url = url; return this; }  HTTPArtifact url(String url); @ApiModelProperty(required = true, value = "URL of the artifact") String getUrl(); void setUrl(String url); @Override boolean equals(java.lang.Object o); @Override int hashCode(); @Override String toString(); static final String SERIALIZED_NAME_URL; }### Answer:
@Test public void urlTest() { }