### Question:
ServerProperties { public String getValue(final String propertyName) { return serverProperties.getProperty(propertyName); } private  ServerProperties(); static synchronized ServerProperties getInstance(); String getValue(final String propertyName);  }### Answer:
@Test public void should_return_property_value() { assertThat(serverProperties.getValue("auth.UserLogger")).isEqualTo("org.bonitasoft.console.common.server.login.credentials.UserLogger"); }