Try to make test output look better

NO changed to FAIL and ok was right-aligned with it so that it is easier
to visually identify the failed tests, and the removal of # should reduce
the clutter on the line and aid the eye to spot the test number better.

t/test-lib.sh

@@ -76,13 +76,13 @@ test_debug () {
 
 test_ok () {
 	test_count=$(expr "$test_count" + 1)
-	say "ok #$test_count: $@"
+	say "  ok $test_count: $@"
 }
 
 test_failure () {
 	test_count=$(expr "$test_count" + 1)
 	test_failure=$(expr "$test_failure" + 1);
-	say "NO #$test_count: $@"
+	say "FAIL $test_count: $@"
 }
 
 test_expect_failure () {