@Test
public void remove() {

	assertSame(this.s1, this.iterator.next());
	assertSame(this.s2, this.iterator.next());
	this.iterator.remove();
	assertSame(this.s3, this.iterator.next());
	assertSame(this.s4, this.iterator.next());
	this.iterator.remove();
	assertSame(this.s5, this.iterator.next());
	
	assertEquals(3, this.collection.size());
	assertTrue(this.collection.contains(this.s1));
	assertFalse(this.collection.contains(this.s2));
	assertTrue(this.collection.contains(this.s3));
	assertFalse(this.collection.contains(this.s4));
	assertTrue(this.collection.contains(this.s5));
}