try

Author: daejunpark

.github/workflows/test.yml

@@ -44,7 +44,7 @@ jobs:
           # Add local remote pointing to current erc4626-tests repository
           git remote add local ${{ github.workspace }}/erc4626-tests
           git remote update
-          git checkout local/HEAD
+          git checkout local/main
 
       - name: Install Foundry
         uses: foundry-rs/foundry-toolchain@v1