@@ -0,0 +1,1025 @@
+package seedu.address.commons.util;%0A%0Aimport org.junit.Rule;%0Aimport org.junit.Test;%0Aimport org.junit.rules.ExpectedException;%0A%0Aimport seedu.task.commons.util.NotificationUtil;%0A%0A//@@author A0141928B%0A/**%0A  * Tests for NotificationUtil%0A */%0Apublic class NotificationUtilTest %7B%0A%0A    @Rule%0A    public ExpectedException thrown = ExpectedException.none();%0A%0A    @Test%0A    public void displayNotification_withDescription() %7B%0A        //Will fail on non-Windows OS%0A        if (!System.getProperty(%22os.name%22).startsWith(%22Windows%22)) %7B%0A            thrown.expect(UnsupportedOperationException.class);%0A        %7D%0A        NotificationUtil.displayNotification(%22description%22);%0A    %7D%0A%0A    @Test%0A    public void displayNotification_noDescription_assertionError() %7B%0A        //Will fail on non-Windows OS%0A        if (!System.getProperty(%22os.name%22).startsWith(%22Windows%22)) %7B%0A            thrown.expect(UnsupportedOperationException.class);%0A        %7D%0A        thrown.expect(AssertionError.class);%0A        NotificationUtil.displayNotification(%22%22);%0A    %7D%0A%0A%7D%0A

Add NotificationUtilTest.java