Merge branch 'js/windows-tests'

* js/windows-tests: t5602: Work around path mangling on MSYS t5300, t5302, t5303: Do not use /dev/zero t2200, t7004: Avoid glob pattern that also matches files t7300: fix clean up on Windows test-lib: Introduce test_chmod and use it instead of update-index --chmod test-lib: Simplify test counting. test-lib: Replace uses of $(expr ...) by POSIX shell features. Call 'say' outside test_expect_success test suite: Use 'say' to say something instead of 'test_expect_success' t9400, t9401: Do not force hard-linked clone