@Test
public void testParseMultiPartFilesShouldReturnWithEmptyMsgWhenParameterIsFormField() throws IOException {

    //GIVEN
    given(fileItem.isFormField()).willReturn(true);
    uploadedFiles.add(fileItem);
    //WHEN
    String actual = underTest.parseMultiPartFiles(uploadedFiles);
    //THEN
    assertEquals(actual, "");
}