Ignore the flaky test first. am: c955ac01

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

import android.content.Context;

import androidx.test.InstrumentationRegistry;

import androidx.test.filters.MediumTest;

import androidx.test.runner.AndroidJUnit4;

import com.android.documentsui.queries.SearchHistoryManager;

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.TimeUnit;

import java.util.List;

import org.junit.Before;

import org.junit.After;

import org.junit.Before;

import org.junit.Ignore;

import org.junit.Test;

import org.junit.runner.RunWith;

import java.util.List;

import java.util.concurrent.CountDownLatch;

import java.util.concurrent.TimeUnit;

@RunWith(AndroidJUnit4.class)

@MediumTest

public final class SearchHistoryManagerTest {

    public void setUp() throws Exception {

        mContext = InstrumentationRegistry.getTargetContext();

        mManager = SearchHistoryManager.getInstance(mContext);

        clearData();

        //clearData();

        mIntResult = -1;

        mLongResult = -1;

    }

    @After

    public void tearDown() {

        mListener = null;

        clearData();

        //clearData();

    }

    private void clearData() {

    }

    @Test

    @Ignore

    public void testAddHistory() throws Exception {

        mLatch = new CountDownLatch(2);

        mListener = new SearchHistoryManager.DatabaseChangedListener() {

    }

    @Test

    @Ignore

    public void testDeleteHistory() throws Exception {

        mLatch = new CountDownLatch(2);

        mListener = new SearchHistoryManager.DatabaseChangedListener() {

    }

    @Test

    @Ignore

    public void testGetHistoryList() throws Exception {

        mLatch = new CountDownLatch(2);

        mListener = new SearchHistoryManager.DatabaseChangedListener() {