Delegate runner 'androidx.test.internal.runner.junit4.AndroidJUnit4ClassRunner' for AndroidJUnit4 could not be loaded

Question

I try to run Kotlin instrumentation tests for android.

In my app/build.gradle:

    android {
        dataBinding {
            enabled = true
               


        

Answer 1

In My case while using Java,I faced issue when I did below mistakes.

1)I had made ActivityTestRule as private.

  All test cases should be public always.

2)I didn't add static for BeforeClass and AfterClass methods

  Methods of @BeforeClass and @AfterClass should be static

  Ex)@BeforeClass
     public static void setUp(){

     }