Fix build

Compare SwissLife-OSS/snapshooter#196

Signed-off-by: andreas hilti <andreas.hilti@bluewin.ch>

.github/workflows/dotnetcore.yml

@@ -49,7 +49,9 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+#       os: [ubuntu-latest, windows-latest, macos-latest]
+#       macos currently disabled. see issue https://github.com/SwissLife-OSS/snapshooter/issues/196.
+        os: [ubuntu-latest, windows-latest]
     timeout-minutes: 30
 
     steps:
@@ -58,6 +60,11 @@ jobs:
       with:
         dotnet-version: '6.0'
 
+    - name: SnapshooterHotfixSymlinkLinux    
+      if: matrix.os == 'ubuntu-latest'
+      run: sudo ln -s "$GITHUB_WORKSPACE" /_
+      shell: bash
+
     - name: Tests
       run: |
         dotnet restore