test: skip stringbytes-external-exceed-max on AIX

Add SKIP status for more tests in stringbytes-external-exceed-max that
are failing on AIX.

PR-URL: #28516
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

test/addons/addon.status

@@ -0,0 +1,19 @@
+prefix addons
+
+[true] # This section applies to all platforms
+
+[$system==aix]
+# https://github.com/nodejs/build/issues/1820#issuecomment-505998851
+# https://github.com/nodejs/node/pull/28469
+# https://github.com/nodejs/node/pull/28516
+stringbytes-external-exceed-max/test-stringbytes-external-exceed-max.js: SKIP
+
+# https://github.com/nodejs/node/pull/28516
+stringbytes-external-exceed-max/test-stringbytes-external-at-max: SKIP
+stringbytes-external-exceed-max/test-stringbytes-external-exceed-max-by-1-ascii: SKIP
+stringbytes-external-exceed-max/test-stringbytes-external-exceed-max-by-1-base64: SKIP
+stringbytes-external-exceed-max/test-stringbytes-external-exceed-max-by-1-binary: SKIP
+stringbytes-external-exceed-max/test-stringbytes-external-exceed-max-by-1-hex: SKIP
+stringbytes-external-exceed-max/test-stringbytes-external-exceed-max-by-1-utf8: SKIP
+stringbytes-external-exceed-max/test-stringbytes-external-exceed-max-by-2: SKIP
+stringbytes-external-exceed-max/test-stringbytes-external-exceed-max: SKIP

test/addons/stringbytes-external-exceed-max/test-stringbytes-external-exceed-max.js

@@ -5,11 +5,6 @@ const skipMessage = 'intensive toString tests due to memory confinements';
 if (!common.enoughTestMem)
   common.skip(skipMessage);
 
-// See https://github.com/nodejs/build/issues/1820#issuecomment-505998851
-// See https://github.com/nodejs/node/pull/28469
-if (process.platform === 'aix')
-  common.skip('flaky on AIX');
-
 const binding = require(`./build/${common.buildType}/binding`);
 
 // v8 fails silently if string length > v8::String::kMaxLength