fix: diffrent ci method

.github/workflows/PRAutoTest.yml

@@ -3,8 +3,10 @@ on:
   pull_request:
     paths:
       - 'src/test/*_exp.sol'
+
 env:
   FOUNDRY_PROFILE: ci
+
 jobs:
   check:
     strategy:
@@ -15,15 +17,19 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
-          fetch-depth: 0  # Required to fetch all branches
+          fetch-depth: 0 # Required to fetch all branches
+
       - name: Install Foundry
         uses: foundry-rs/foundry-toolchain@v1
         with:
           version: nightly
+
       - name: Run Forge tests
         run: |
           shopt -s nullglob
-          changed_files=$(git diff --name-only ${{ github.base_ref }} HEAD)
+          base_sha=${{ github.event.pull_request.base.sha }}
+          head_sha=${{ github.event.pull_request.head.sha }}
+          changed_files=$(git diff --name-only $base_sha $head_sha)
           for file in $changed_files; do
             if [[ $file == src/test/*_exp.sol ]]; then
               forge test --contracts "$file" -vvv