Fix integration test errors

.github/workflows/integration_tests.yml

@@ -6,7 +6,8 @@ on:
     branches:
       - main
 
-jobs:
+
+      jobs:
   test:
     name: Integration tests
     runs-on: ubuntu-latest
@@ -25,6 +26,18 @@ jobs:
           target: wasm32-unknown-unknown
           override: true
 
+      - name: Set latest just version
+        run: echo "JUST_VERSION=$(cargo search just -q | sed -n -e '/^just[[:space:]]/p' | cut -d '"' -f 2)" >> $GITHUB_ENV
+
+      - name: Get cached just
+        uses: actions/cache@v3
+        with:
+          path: ~/.cargo/bin/just
+          key: ${{ runner.os }}-just-${{ env.JUST_VERSION }}
+
+      - name: Install just
+        run: cargo install just || true
+
       - name: Rust Dependencies Cache
         uses: actions/cache@v3
         with: