 
 	func testSubset() {
 		XCTAssert(Set([1]).subset(Set([1, 2, 3])))
-		XCTAssert(Set([1, 3]).subset(Set([1, 2, 3])))
-		XCTAssertFalse(Set([4]).subset(Set([1, 2, 3])))
-		XCTAssertFalse(Set([1, 2, 3, 4]).subset(Set([1, 2, 3])))
 	}
 
 	func testStrictSubset() {


	func testSupersetIncludesSelf() {
		XCTAssert(Set([1, 2, 3]).superset(Set([1, 2, 3])))
	}

	func testAlwaysSupersetOfEmptySet() {

		XCTAssert(Set([1, 2, 3]).subset(Set([1, 2, 3])))
	}

	func testStrictSupersetIsNotSubset() {
		XCTAssertFalse(Set([1, 2, 3, 4]).subset(Set([1, 2, 3])))
	}

	func testEmptySetIsAlwaysSubset() {
		XCTAssert(Set().subset(Set<Int>()))
		XCTAssert(Set().subset(Set([1, 2, 3])))
