Remove FragmentTestUtils util class

/*

 * Copyright (C) 2018 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.android.settingslib.testutils;

import android.os.Bundle;

import android.widget.LinearLayout;

import androidx.fragment.app.Fragment;

import androidx.fragment.app.FragmentActivity;

import androidx.fragment.app.FragmentManager;

import org.robolectric.Robolectric;

/**

 * Utilities for creating Fragments for testing.

 * <p>

 * TODO(b/111195449) - Duplicated from org.robolectric.shadows.support.v4.SupportFragmentTestUtil

 */

@Deprecated

public class FragmentTestUtils {

    public static void startFragment(Fragment fragment) {

        buildFragmentManager(FragmentUtilActivity.class)

                .beginTransaction().add(fragment, null).commit();

    }

    public static void startFragment(Fragment fragment,

            Class<? extends FragmentActivity> activityClass) {

        buildFragmentManager(activityClass)

                .beginTransaction().add(fragment, null).commit();

    }

    public static void startVisibleFragment(Fragment fragment) {

        buildFragmentManager(FragmentUtilActivity.class)

                .beginTransaction().add(1, fragment, null).commit();

    }

    public static void startVisibleFragment(Fragment fragment,

            Class<? extends FragmentActivity> activityClass, int containerViewId) {

        buildFragmentManager(activityClass)

                .beginTransaction().add(containerViewId, fragment, null).commit();

    }

    private static FragmentManager buildFragmentManager(

            Class<? extends FragmentActivity> activityClass) {

        FragmentActivity activity = Robolectric.setupActivity(activityClass);

        return activity.getSupportFragmentManager();

    }

    private static class FragmentUtilActivity extends FragmentActivity {

        @Override

        protected void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            LinearLayout view = new LinearLayout(this);

            view.setId(1);

            setContentView(view);

        }

    }

}