@Test
public void handleInterfaceAnnotationShouldMergePlaceholdersAndSetParamsListSeparator() throws Exception {

    when(mockAnnotation.value()).thenReturn(VAL_WITH_PH);
    toTest.handleInterfaceAnnotation(mockAnnotation, mockInterfaceConfigBuilder);
    verify(mockAnnotation).value();
    verify(mockInterfaceConfigBuilder).setParamsListSeparator(EXPECTED_MERGE_VAL);
}