quiet test reporter to failures-only + front-load coverage in push-check (T-242)

ci/test_core.sh

@@ -25,6 +25,10 @@ fi
 # hang.
 TIMEOUT_SECONDS=${TIMEOUT_SECONDS:-120}
 
+# failures-only: print failing tests + a final count, not one line per test.
+# Override with TEST_REPORTER=expanded when debugging. (T-242)
+REPORTER="${TEST_REPORTER:-failures-only}"
+
 # Run dart test in its own process group so we can kill descendants on
 # timeout. `setsid` starts a new session; `timeout --kill-after` SIGKILLs
 # after SIGTERM if the test ignores it.
@@ -32,7 +36,7 @@ CORE_DIRS="test/ipc test/pty test/daemon test/git test/panes test/files test/edi
 
 echo "test-core: dart test ${CORE_DIRS}  (timeout ${TIMEOUT_SECONDS}s)"
 if ! timeout --kill-after=5s "${TIMEOUT_SECONDS}s" \
-     setsid --wait dart test $CORE_DIRS ; then
+     setsid --wait dart test -r "$REPORTER" $CORE_DIRS ; then
   rc=$?
   if [[ $rc -eq 124 ]]; then
     echo "test-core: TIMEOUT — killing descendants" >&2