test-lib: separate individual test better in verbose mode.

When running tests with --verbose it is difficult to see where
one test starts and where it ends because everything is printed
in one big lump.
Fix that by printing one single newline between each test.

Signed-off-by: Martin Waitz <tali@admingilde.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

t/test-lib.sh

@@ -135,6 +135,7 @@ test_expect_failure () {
 	else
 		test_failure_ "$@"
 	fi
+	echo >&3 ""
 }
 
 test_expect_success () {
@@ -148,6 +149,7 @@ test_expect_success () {
 	else
 		test_failure_ "$@"
 	fi
+	echo >&3 ""
 }
 
 test_expect_code () {
@@ -161,6 +163,7 @@ test_expect_code () {
 	else
 		test_failure_ "$@"
 	fi
+	echo >&3 ""
 }
 
 # Most tests can use the created repository, but some amy need to create more.