### Question:
NsOperationKey { public void setServiceType(String serviceType) { this.serviceType = serviceType; }  String getGlobalSubscriberId(); void setGlobalSubscriberId(String globalSubscriberId); String getServiceType(); void setServiceType(String serviceType); String getServiceId(); void setServiceId(String serviceId); String getOperationId(); void setOperationId(String operationId); String getNodeTemplateUUID(); void setNodeTemplateUUID(String nodeTemplateUUID);  }### Answer:
@Test public void setServiceType() throws Exception { nsOperationKey.setServiceType("servicetype"); }