transport: mark more tests leak-free

After fixing a transport leak, a few more tests have become
leak-free.  Mark them as such.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Author: pks-t

t/t5509-fetch-push-namespaces.sh

@@ -4,6 +4,7 @@ test_description='fetch/push involving ref namespaces'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '

t/t5802-connect-helper.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 
 test_description='ext::cmd remote "connect" helper'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '

t/t5814-proto-disable-ext.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 
 test_description='test disabling of remote-helper paths in clone/fetch'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY/lib-proto-disable.sh"
 

t/t5815-submodule-protos.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 
 test_description='test protocol filtering with submodules'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-proto-disable.sh