test: turn EXPENSIVE into a lazy prerequisite
Two test scripts (t0021 and t5551) had copy & paste code to set
EXPENSIVE prerequisite. Use the test_lazy_prereq helper to define
them in the common t/test-lib.sh.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/test-lib.sh b/t/test-lib.sh
index b25249e..d70d05e 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -855,6 +855,10 @@
git var GIT_AUTHOR_IDENT
'
+test_lazy_prereq EXPENSIVE '
+ test -n "$GIT_TEST_LONG"
+'
+
# When the tests are run as root, permission tests will report that
# things are writable when they shouldn't be.
test -w / || test_set_prereq SANITY
