ErrorTestUtil.java

package in.mvpstarter.sample.util;

import in.mvpstarter.sample.R;

import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.action.ViewActions.click;
import static android.support.test.espresso.assertion.ViewAssertions.matches;
import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
import static org.hamcrest.Matchers.allOf;

public class ErrorTestUtil {

    public static void checkErrorViewsDisplay() {
        onView(allOf(withText(R.string.error_title), isDisplayed()))
                .check(matches(isDisplayed()));
        onView(allOf(withText(R.string.error_message), isDisplayed()))
                .check(matches(isDisplayed()));
    }

    public static void checkClickingReloadShowsContentWithText(String expectedText) {
        onView(allOf(withText(R.string.error_reload), isDisplayed()))
                .perform(click());
        onView(withText(expectedText))
                .check(matches(isDisplayed()));
    }

}