run stable decorators variant in ci

Author: ef4

.github/workflows/ci.yml

@@ -100,6 +100,8 @@ jobs:
           - name: "Production build, with optional features"
             BUILD: "production"
             ENABLE_OPTIONAL_FEATURES: "true"
+          - name: "Stable decorators"
+            VITE_STABLE_DECORATORS: "true"
 
     steps:
       - uses: actions/checkout@v4
@@ -112,6 +114,7 @@ jobs:
           OVERRIDE_DEPRECATION_VERSION: ${{ matrix.OVERRIDE_DEPRECATION_VERSION }}
           ENABLE_OPTIONAL_FEATURES: ${{ matrix.ENABLE_OPTIONAL_FEATURES }}
           RAISE_ON_DEPRECATION: ${{ matrix.RAISE_ON_DEPRECATION }}
+          VITE_STABLE_DECORATORS: ${{ matrix.VITE_STABLE_DECORATORS }}
 
         run: pnpm test
 

packages/@ember/-internals/metal/tests/tracked/validation_test.js

@@ -43,7 +43,9 @@ moduleFor(
       assert.equal(validateTag(tag, snapshot), true);
     }
 
-    [`@test autotracking should work with initializers`](assert) {
+    [`@test autotracking should work with initializers (${import.meta.env.VITE_STABLE_DECORATORS ? 'stable' : 'legacy'} decorators)`](
+      assert
+    ) {
       class Tracked {
         @tracked first = `first: ${this.second}`;
         @tracked second = 'second';