@Test
public void shouldReturnWithProperBooleanValueForSetterRequest() {

    when(client.sendSetterRequest(OPERATION_MODE_SETTER_URL_WILMA)).thenReturn(true);
    when(client.sendSetterRequest(OPERATION_MODE_SETTER_URL_STUB)).thenReturn(false);
    when(client.sendSetterRequest(OPERATION_MODE_SETTER_URL_PROXY)).thenReturn(true);
    assertTrue(operationConfiguration.setOperationMode(WILMA));
    assertTrue(operationConfiguration.setOperationMode(PROXY));
    assertFalse(operationConfiguration.setOperationMode(STUB));
    verify(client, never()).sendGetterRequest(anyString());
}