### Question:
AccountItemParams { public AccountItemParams companyId(Integer companyId) { this.companyId = companyId; return this; }  AccountItemParams accountItem(AccountItemParamsAccountItem accountItem); @ApiModelProperty(required = true, value = "") AccountItemParamsAccountItem getAccountItem(); void setAccountItem(AccountItemParamsAccountItem accountItem); AccountItemParams companyId(Integer companyId); @ApiModelProperty(example = "1", required = true, value = "事業所ID") Integer getCompanyId(); void setCompanyId(Integer companyId); @Override boolean equals(java.lang.Object o); @Override int hashCode(); @Override String toString(); static final String SERIALIZED_NAME_ACCOUNT_ITEM; static final String SERIALIZED_NAME_COMPANY_ID; }### Answer:
@Test public void companyIdTest() { }