void () { final ConfigKey configKey = ConfigKey.ACCESSORS_PREFIX; when(fileBasedIndex.getValues(eq(LombokConfigIndex.NAME), eq(configKey), isA(GlobalSearchScope.class))) .thenReturn(makeValue("+_d;")); final Collection<String> properties = discovery.getMultipleValueLombokConfigProperty(configKey, psiClass); assertThat(properties, hasItems("_d")); }