diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 44b9596..8eb20c8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,8 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [macos-latest]
-        # os: [windows-latest, ubuntu-latest, macos-latest]
+        os: [windows-latest, ubuntu-latest, macos-latest]
     steps:
     - uses: actions/checkout@v1      
     - name: Run Continuous Integration
diff --git a/__tests__/fail.tests.ps1 b/__tests__/fail.tests.ps1
deleted file mode 100644
index a41a74d..0000000
--- a/__tests__/fail.tests.ps1
+++ /dev/null
@@ -1,5 +0,0 @@
-Describe "Test failed tests for GHA" {
-    It "Should fail" {
-        $true | Should -BeFalse        
-    }
-}
\ No newline at end of file