Mark tests failing with app snapshots that expect a resource relative to script.

tests/standalone/standalone.status

Index: tests/standalone/standalone.status
diff --git a/tests/standalone/standalone.status b/tests/standalone/standalone.status
index 5281b3700b402a806daf6f0606cecea95e22ee1a..1c509c37ff379760a561a4639a6ca8db16a71a31 100644
--- a/tests/standalone/standalone.status
+++ b/tests/standalone/standalone.status
@@ -351,3 +351,31 @@ io/socket_bind_test: Skip
 io/http_proxy_advanced_test: Skip
 io/http_ipv6_test: Skip
 io/socket_ipv6_test: Skip
+
+[ $runtime == dart_app || $runtime == dart_precompiled ]
+# Issue 27591 - resource not available relative to generated snapshot
+io/file_input_stream_test: Fail
+io/file_invalid_arguments_test: Fail
+io/http_proxy_advanced_test: Fail
+io/http_proxy_test: Fail
+io/https_bad_certificate_test: Fail
+io/https_server_test: Fail
+io/raw_secure_server_closing_test: Fail
+io/raw_secure_server_socket_test: Fail
+io/raw_secure_socket_pause_test: Fail
+io/raw_secure_socket_test: Fail
+io/read_into_const_list_test: Fail
+io/regress_21160_test: Fail
+io/resolve_symbolic_links_test: Fail
+io/secure_bad_certificate_test: Fail
+io/secure_client_raw_server_test: Fail
+io/secure_client_server_test: Fail
+io/secure_multiple_client_server_test: Fail
+io/secure_server_client_certificate_test: Fail
+io/secure_server_closing_test: Fail
+io/secure_server_socket_test: Fail
+io/secure_session_resume_test: Fail
+io/secure_socket_alpn_test: Fail
+io/secure_socket_test: Fail
+io/security_context_argument_test: Fail
+io/socket_upgrade_to_secure_test: Fail