Triage more memory leaks.

Issue #28350

Review-Url: https://codereview.chromium.org/2625033004 .
diff --git a/tests/standalone/standalone.status b/tests/standalone/standalone.status
index 2c9395db..76e42fb 100644
--- a/tests/standalone/standalone.status
+++ b/tests/standalone/standalone.status
@@ -374,3 +374,8 @@
 io/http_ipv6_test: SkipByDesign
 io/socket_ipv6_test: SkipByDesign
 io/socket_info_ipv6_test: SkipByDesign
+
+[ $builder_tag == asan && $arch == x64 ]
+io/directory_error_test: Fail # Issue 28350
+io/directory_fuzz_test: Fail # Issue 28350
+io/directory_list_nonexistent_test: Fail # Issue 28350