### Question:
ScopeNotificationFilter implements NotificationFilter { @Override public String getName() { return FILTER_NAME; }  @Override FilterPolicy filterEvent(Event event, DocumentReference user,
            Collection<NotificationFilterPreference> filterPreferences,
            NotificationFormat format); @Override boolean matchesPreference(NotificationPreference preference); @Override ExpressionNode filterExpression(DocumentReference user,
            Collection<NotificationFilterPreference> filterPreferences,
            NotificationPreference preference); @Override ExpressionNode filterExpression(DocumentReference user,
            Collection<NotificationFilterPreference> filterPreferences,
            NotificationFilterType type, NotificationFormat format); @Override ExpressionNode filterExpression(DocumentReference user,
            Collection<NotificationFilterPreference> filterPreferences, NotificationFilterType type,
            NotificationFormat format, Collection<NotificationPreference> preferences); @Override String getName(); static final String FILTER_NAME; }### Answer:
@Test void getName() throws Exception { assertEquals(ScopeNotificationFilter.FILTER_NAME, this.scopeNotificationFilter.getName()); }