CustomRequiredWhenActivityTest.java

package com.androidformenhancer.test;

import android.test.ActivityInstrumentationTestCase2;

public class CustomRequiredWhenActivityTest extends ActivityInstrumentationTestCase2<CustomRequiredWhenActivity> {

    private CustomRequiredWhenActivity activity;

    public CustomRequiredWhenActivityTest() {
        super(CustomRequiredWhenActivity.class);
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        activity = getActivity();
    }

    public void testSubmit() throws Throwable {
        runTestOnUiThread(new Runnable() {
            @Override
            public void run() {
                activity.findViewById(R.id.btn_submit).performClick();
            }
        });
        getInstrumentation().waitForIdleSync();
    }

}