fix bug: fix ResourcesServiceTest (#1759)

import org.mockito.Mock;

import org.mockito.Mockito;

import org.powermock.api.mockito.PowerMockito;

import org.powermock.core.classloader.annotations.PowerMockIgnore;

import org.powermock.core.classloader.annotations.PrepareForTest;

import org.powermock.modules.junit4.PowerMockRunner;

import org.slf4j.Logger;

import java.util.Map;

@RunWith(PowerMockRunner.class)

@PowerMockIgnore({"sun.security.*", "javax.net.*"})

@PrepareForTest({HadoopUtils.class,PropertyUtils.class, FileUtils.class,org.apache.dolphinscheduler.api.utils.FileUtils.class})

public class ResourcesServiceTest {

    private static final Logger logger = LoggerFactory.getLogger(ResourcesServiceTest.class);

        //UDF_RESOURCE_SUFFIX_NOT_JAR

        mockMultipartFile = new MockMultipartFile("ResourcesServiceTest.pdf","ResourcesServiceTest.pdf","pdf",new String("test").getBytes());

        PowerMockito.when(FileUtils.suffix("ResourcesServiceTest.pdf")).thenReturn("pdf");

        result = resourcesService.createResource(user,"ResourcesServiceTest.pdf","ResourcesServiceTest",ResourceType.UDF,mockMultipartFile);

        logger.info(result.toString());

        Assert.assertEquals(Status.UDF_RESOURCE_SUFFIX_NOT_JAR.getMsg(),result.getMsg());