test: skip unstable shadow realm gc tests

PR-URL: #52855
Refs: #52273
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>

test/parallel/parallel.status

@@ -5,6 +5,13 @@ prefix parallel
 # sample-test                        : PASS,FLAKY
 
 [true] # This section applies to all platforms
+# https://github.com/nodejs/node/issues/52273
+test-net-write-fully-async-hex-string: PASS, FLAKY
+# https://github.com/nodejs/node/issues/52273
+test-shadow-realm-gc: SKIP
+test-shadow-realm-gc-module: SKIP
+# https://github.com/nodejs/node/issues/52274
+test-worker-arraybuffer-zerofill: PASS, FLAKY
 
 # https://github.com/nodejs/node/issues/51862
 test-fs-read-stream-concurrent-reads: PASS, FLAKY