[PATCH] Test framework: prettyprint the failed command.

The output from a failure case had the test description message
and the first line of the actual test script concatenated on the
same line, which was ugly.  Correct the output routine a bit to
make it more readable.
Signed-off-by: NJunio C Hamano <junkio@cox.net>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

t/test-lib.sh

@@ -84,7 +84,9 @@ test_ok_ () {
 test_failure_ () {
 	test_count=$(expr "$test_count" + 1)
 	test_failure=$(expr "$test_failure" + 1);
-	say "FAIL $test_count: $@"
+	say "FAIL $test_count: $1"
+	shift
+	echo "$@" | sed -e 's/^/	/'
 	test "$immediate" == "" || exit 1
 }