Custom RobolectricTestRunner with method for attaching fragments

TasksTestRunner.java

import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import org.junit.runners.model.InitializationError;
import org.robolectric.RobolectricTestRunner;

/**
 * Customized test runner based on {@link org.robolectric.RobolectricTestRunner}.
 *
 * Creator: <lukasz.izmajlowicz@mydriver.com>
 * Date: 19/12/13
 */
public class TasksTestRunner extends RobolectricTestRunner {

    public TasksTestRunner(Class<?> testClass) throws InitializationError {
        super(testClass);
    }

    public static void attachFragment(Fragment fragment, FragmentManager fragmentManager) {
        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
        fragmentTransaction.add(fragment, null);
        fragmentTransaction.commit();
    }
}