try this

Author: NullVoxPopuli

.github/workflows/ci.yml

@@ -100,7 +100,7 @@ jobs:
         with:
           node-version: 18.18.1
       - uses: ./.github/actions/download-built-package
-      - run: pnpm --filter test-app test:ember
+      - run: pnpm --filter '*' test:ember
 
   floating_tests:
     name: Floating Deps Test
@@ -115,7 +115,7 @@ jobs:
           args: '--no-lockfile' 
       - uses: ./.github/actions/download-built-package
       - run: pnpm i -f
-      - run: pnpm --filter test-app test:ember
+      - run: pnpm --filter '*' test:ember
 
 
   try_scenarios:
@@ -150,3 +150,36 @@ jobs:
         run: >-
           node_modules/.bin/ember try:one ${{ matrix.try-scenario }}
           --skip-cleanup
+
+  try_scenarios_er-7:
+    name: ${{ matrix.try-scenario }} (resources@7)
+    timeout-minutes: 5
+    runs-on: ubuntu-latest
+    needs: [default_tests]
+
+    strategy:
+      fail-fast: false
+      matrix:
+        try-scenario:
+          - ember-3.28
+          - ember-4.0.0
+          - ember-4.4
+          - ember-4.8
+          - ember-4.12
+          - ember-release
+          - ember-beta
+          - ember-canary
+          - embroider-safe
+          - embroider-optimized
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: wyvox/action-setup-pnpm@v3
+        with:
+          node-version: 18.18.1
+      - uses: ./.github/actions/download-built-package
+      - name: Run Tests
+        working-directory: ./test-app-ember-resources-7
+        run: >-
+          node_modules/.bin/ember try:one ${{ matrix.try-scenario }}
+          --skip-cleanup

test-app-ember-resources-7/package.json

@@ -22,7 +22,7 @@
     "lint:js:fix": "eslint . --fix",
     "start": "concurrently 'ember serve -p 4204' 'pnpm _syncPnpm --watch' --names 'tests serve,tests sync deps'",
     "test": "ember test",
-    "test:ember": "ember test",
+    "test:ember": "ember test --test-port 0",
     "_syncPnpm": "DEBUG=true pnpm sync-dependencies-meta-injected"
   },
   "dependencies": {

test-app/package.json

@@ -22,7 +22,7 @@
     "lint:js:fix": "eslint . --fix",
     "start": "concurrently 'ember serve -p 4204' 'pnpm _syncPnpm --watch' --names 'tests serve,tests sync deps'",
     "test": "ember test",
-    "test:ember": "ember test",
+    "test:ember": "ember test --test-port 0",
     "_syncPnpm": "DEBUG=true pnpm sync-dependencies-meta-injected"
   },
   "dependencies": {