try fix test

Author: AnakinRaW

.github/workflows/test.yml

@@ -11,38 +11,19 @@ on:
 jobs:
   build-test:
     name: Build & Test
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [windows-latest, ubuntu-latest]
-    runs-on: ${{ matrix.os }}
-
+    runs-on: windows-latest
+        
     steps:
-    - name: Checkout
-      uses: actions/checkout@v6
-      with:
-        fetch-depth: 0
-        submodules: recursive
-    - uses: actions/setup-dotnet@v5
-      with:
-        dotnet-version: 10.0.x
-    - name: Build & Test in Release Mode (Windows)
-      if: runner.os == 'Windows'
-      run: dotnet test --configuration Release --report-github
-
-    - name: Build & Test in Release Mode (Linux)
-      if: runner.os == 'Linux'
-      shell: bash
-      # ExternalUpdater.App.Test is net481-only — it spawns the real ExternalUpdater.exe
-      # and uses Windows-only helpers (cmd .bat stubs, ping.exe). It cannot run on Linux
-      # (no mono in the runner image, and the helpers don't exist anyway). Build the
-      # whole solution, then test every project except that one.
-      run: |
-        set -euo pipefail
-        dotnet build --configuration Release
-        for proj in $(find . -name '*.Test.csproj' -not -path '*/ExternalUpdater.App.Test/*'); do
-          dotnet test "$proj" --no-build --configuration Release --report-github
-        done
+      - uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
+          submodules: recursive
+      - uses: actions/setup-dotnet@v5
+        with:
+           dotnet-version: 10.0.x
+        
+      - name: Build in Release Mode
+        run: dotnet test --configuration Release --report-github
 
   test-moddingtoolbase:
     name: Test ModdingToolBase