Remove 'Instant.now()' from Test because it's a API 26 features

package io.eelo.drive.Test;

import android.content.Context;

import android.test.mock.MockContext;

import android.util.Log;

import org.junit.Before;

import org.junit.Test;

import java.io.File;

import java.sql.Timestamp;

import java.time.Instant;

import java.util.ArrayDeque;

import java.util.concurrent.ConcurrentLinkedDeque;

import io.eelo.drive.Test.mockObject.mockContext;

import io.eelo.drive.Test.mockObject.mockRemoteFile;

import io.eelo.drive.Test.mockObject.mockSfs;

import io.eelo.drive.models.SyncedFileState;

import io.eelo.drive.operations.ComparableOperation;

import io.eelo.drive.operations.DownloadFileOperation;

import io.eelo.drive.operations.UploadFileOperation;

public class doTest {

    public mockContext context;

    private UploadFileOperation upload1;

    private UploadFileOperation upload2;

    @Test

    public void MD5Test(){

    System.out.println(Instant.now().toString());

    System.out.println(System.currentTimeMillis());

    String hash = MD5Test.calculateMD5(new File("D:/projet/projet_dnd/mon_livre/GLT-old.odt") );

    System.out.println(Instant.now().toString());

    System.out.println(System.currentTimeMillis());

        System.out.println("Hash : "+hash);

    }