add new conditional test runs helper

tests/helpers/conditional-runs.js

@@ -0,0 +1,9 @@
+const runningActionsOnInternalRepo = process.env.GITHUB_ACTIONS === 'true' && process.env.GITHUB_REPOSITORY === 'github/docs-internal' 
+
+const testViaActionsOnly = runningActionsOnInternalRepo ? test : test.skip 
+const describeViaActionsOnly = runningActionsOnInternalRepo ? describe : describe.skip
+
+module.exports = {
+  testViaActionsOnly,
+  describeViaActionsOnly
+}