Add instrumentation test for SearchResultTrampoline intent.

/*

 * Copyright (C) 2017 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.settings.search;

import static com.google.common.truth.Truth.assertThat;

import android.content.Context;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.content.pm.ResolveInfo;

import android.support.test.InstrumentationRegistry;

import android.support.test.filters.SmallTest;

import android.support.test.runner.AndroidJUnit4;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

@SmallTest

@RunWith(AndroidJUnit4.class)

public class SearchResultTrampolineTest {

    private Context mContext;

    @Before

    public void setUp() {

        mContext = InstrumentationRegistry.getTargetContext();

    }

    @Test

    public void canLaunchSettingsTrampolineWithIntentAction() {

        final PackageManager pm = mContext.getPackageManager();

        final ResolveInfo info =

                pm.resolveActivity(new Intent("com.android.settings.SEARCH_RESULT_TRAMPOLINE"), 0);

        assertThat(info.activityInfo.name)

                .isEqualTo(SearchResultTrampoline.class.getName());

    }

}