@@ -0,0 +1,323 @@
+package com.example.admin.achievelife;%0A%0Aimport org.junit.Test;%0A%0Aimport static org.junit.Assert.*;%0A%0A/**%0A * To work on unit tests, switch the Test Artifact in the Build Variants view.%0A */%0Apublic class ExampleUnitTest %7B%0A    @Test%0A    public void addition_isCorrect() throws Exception %7B%0A        assertEquals(4, 2 + 2);%0A    %7D%0A%7D%0A

Create ExampleUnitTest.java