func testNSStringPath1() throws { let actual = NSString(string: "").appendingPathComponent("*.txt") let expected = "*.txt" XCTAssertEqual(actual, expected) } func testNSStringPath1() throws { let actual = NSString(string: "").appendingPathComponent("*.txt") let expected = "*.txt" XCTAssertEqual(actual, expected) }/*.txt になってしまう。