Revert tests_without_binary

.github/workflows/tests_without_binary.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-22.04]
-        pl_backend: ["lightning_qubit"]
+        pl_backend: ["lightning_qubit", "lightning_kokkos"]
 
     steps:
       - name: Checkout PennyLane-Lightning
@@ -45,6 +45,12 @@ jobs:
           cd main
           python -m pip install -e . -vv
 
+      - name: Install the new pennylane_lightning package
+        if: ${{ matrix.pl_backend == 'lightning_kokkos'}}
+        run: |
+          cd main
+          SKIP_COMPILATION=True PL_BACKEND="lightning_qubit" pip install -e . -vv
+
       - name: Run PennyLane-Lightning unit tests
         run: |
           cd main/