@Test
public void testRemoveLeadingAndTrailingQuotes() {

    
    ETagFilter eTagFilter = new ETagFilter();
    assertEquals(eTagFilter.removeLeadingAndTrailingQuotes("abc"), "abc");
    assertEquals(eTagFilter.removeLeadingAndTrailingQuotes("\"abc"), "abc");
    assertEquals(eTagFilter.removeLeadingAndTrailingQuotes("abc\""), "abc");
    assertEquals(eTagFilter.removeLeadingAndTrailingQuotes("\"abc\""), "abc");
    assertEquals(eTagFilter.removeLeadingAndTrailingQuotes("\"a\"bc\""), "a\"bc");
}