ci: using boojum branch of test node

.github/workflows/ci.yaml

@@ -66,8 +66,17 @@ jobs:
           node-version: 18.18.0
           cache: yarn
 
+      - name: Install rust
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: nightly-2023-04-17
+
       - name: Use era-test-node for testing
-        uses: dutterbutter/era-test-node-action@latest
+        uses: baptiste0928/cargo-install@v2
+        with:
+          crate: era_test_node
+          git: https://github.com/matter-labs/era-test-node.git
+          branch: boojum-integration
 
       - name: Install dependencies
         run: yarn
@@ -85,6 +94,9 @@ jobs:
             contracts/precompiles/artifacts
             bootloader/build
 
+      - name: Starting test node
+        run: era_test_node run > /dev/null 2>&1 &
+
       - name: Run tests
         run: yarn test