* 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