Remove duplicate test

/*

 * 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.launcher3.util;

import org.junit.Test;

import org.junit.runner.RunWith;

import androidx.test.filters.SmallTest;

import androidx.test.runner.AndroidJUnit4;

import static org.junit.Assert.assertEquals;

import static org.junit.Assert.assertFalse;

import static org.junit.Assert.assertTrue;

/**

 * Unit tests for {@link IntSet}

 */

@SmallTest

@RunWith(AndroidJUnit4.class)

public class IntSetTest {

    @Test

    public void testDuplicateEntries() {

        IntSet set = new IntSet();

        set.add(2);

        assertEquals(1, set.size());

        set.add(2);

        assertEquals(1, set.size());

        assertTrue(set.contains(2));

        assertFalse(set.contains(1));

        set.add(1);

        assertEquals(2, set.size());

        assertTrue(set.contains(2));

        assertTrue(set.contains(1));

        set.add(10);

        assertEquals(3, set.size());

        assertEquals("1, 2, 10", set.mArray.toConcatString());

    }

}