tests: merge 'test-push-hook-lock.t' into 'test-push.t'
That test file is very small and is merge with the new 'test-push.t'. No logic
is changed.
We don't register this as a copy because is actually a "ypoc" merging two file
together without replacing the destination and Mercurial cannot express that.
# See http://EditorConfig.org for the specification
root = true
[*.py]
indent_size = 4
indent_style = space
trim_trailing_whitespace = true
[*.{c,h}]
indent_size = 8
indent_style = tab
trim_trailing_whitespace = true