tests: use test harness `hg` in test-hghave.t
This prevents the sub test harness from rebuilding Mercurial.
It shaves ~30s from the test wall time on my machine.
Differential Revision: https://phab.mercurial-scm.org/D6908
--- a/tests/test-hghave.t Sat Sep 28 21:13:27 2019 -0700
+++ b/tests/test-hghave.t Sun Sep 29 12:00:18 2019 -0700
@@ -22,7 +22,7 @@
> EOF
$ ( \
> testrepohgenv; \
- > "$PYTHON" $TESTDIR/run-tests.py -j 1 \
+ > "$PYTHON" $TESTDIR/run-tests.py --with-hg=`which hg` -j 1 \
> $HGTEST_RUN_TESTS_PURE test-hghaveaddon.t \
> )
running 1 tests using 1 parallel processes