### Question:
ApprovalRequestResponseApprovalRequestComments { public ApprovalRequestResponseApprovalRequestComments userId(Integer userId) { this.userId = userId; return this; }  ApprovalRequestResponseApprovalRequestComments comment(String comment); @ApiModelProperty(example = "訂正をお願いします。", required = true, value = "コメント内容") String getComment(); void setComment(String comment); ApprovalRequestResponseApprovalRequestComments postedAt(String postedAt); @ApiModelProperty(example = "2018-09-12T18:30:24+09:00", required = true, value = "コメント日時(ISO8601形式)") String getPostedAt(); void setPostedAt(String postedAt); ApprovalRequestResponseApprovalRequestComments userId(Integer userId); @ApiModelProperty(example = "1", required = true, value = "ユーザーID") Integer getUserId(); void setUserId(Integer userId); @Override boolean equals(java.lang.Object o); @Override int hashCode(); @Override String toString(); static final String SERIALIZED_NAME_COMMENT; static final String SERIALIZED_NAME_POSTED_AT; static final String SERIALIZED_NAME_USER_ID; }### Answer:
@Test public void userIdTest() { }