func TestFixLongPath(t *testing.T) {
	// 248 is long enough to trigger the longer-than-248 checks in
	// fixLongPath, but short enough not to make a path component
	// longer than 255, which is illegal on Windows. (which
	// doesn't really matter anyway, since this is purely a string
	// function we're testing, and it's not actually being used to
	// do a system call)
	veryLong := "l" + strings.Repeat("o", 248) + "ng"