@Test
void testRemoveValue() {

    MultiMap<String> mm = new MultiMap<>();
    String key = "formats";
    // Setup the key
    mm.putValues(key, "gzip", "jar", "pack200");
    assertMapSize(mm, 1);
    assertValues(mm, key, "gzip", "jar", "pack200");
    // Remove a value
    mm.removeValue(key, "jar");
    assertMapSize(mm, 1);
    assertValues(mm, key, "gzip", "pack200");
}