diff --git a/.github/workflows/dotnet-core.yml b/.github/workflows/dotnet-core.yml
new file mode 100644
index 00000000000000..cc81720d8a6b19
--- /dev/null
+++ b/.github/workflows/dotnet-core.yml
@@ -0,0 +1,25 @@
+name: .NET Core
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup .NET Core
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.301
+    - name: Install dependencies
+      run: dotnet restore
+    - name: Build
+      run: make -C src/mono/wasm build-all
+    - name: Test
+      run: dotnet test src/mono/wasm/debugger/DebuggerTestSuite
diff --git a/.github/workflows/dotnet.yml b/.github/workflows/dotnet.yml
new file mode 100644
index 00000000000000..891ef2b90080e4
--- /dev/null
+++ b/.github/workflows/dotnet.yml
@@ -0,0 +1,26 @@
+name: .NET
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 5.0.x
+    - name: Restore dependencies
+      run: dotnet restore
+      
+    - name: Build
+      run: make -C src/mono/wasm build-all
+    - name: Test
+      run: make -C src/mono/wasm debugger-tests
diff --git a/eng/testing/AndroidRunnerTemplate.sh b/eng/testing/AndroidRunnerTemplate.sh
index a1e89f0e7ea012..db06f4d56f5976 100644
--- a/eng/testing/AndroidRunnerTemplate.sh
+++ b/eng/testing/AndroidRunnerTemplate.sh
@@ -16,7 +16,11 @@ while true; do
     fi
 done
 
-XHARNESS_OUT="$EXECUTION_DIR/xharness-output"
+if [ -z "$HELIX_WORKITEM_UPLOAD_ROOT" ]; then
+    XHARNESS_OUT="$EXECUTION_DIR/xharness-output"
+else
+    XHARNESS_OUT="$HELIX_WORKITEM_UPLOAD_ROOT/xharness-output"
+fi
 
 if [ ! -z "$XHARNESS_CLI_PATH" ]; then
 	# When running in CI, we only have the .NET runtime available
diff --git a/eng/testing/AppleRunnerTemplate.sh b/eng/testing/AppleRunnerTemplate.sh
index b78bff38d867a2..44987ab48b5633 100644
--- a/eng/testing/AppleRunnerTemplate.sh
+++ b/eng/testing/AppleRunnerTemplate.sh
@@ -36,7 +36,12 @@ while true; do
 done
 
 XCODE_PATH="`xcode-select -p`/../.."
-export XHARNESS_OUT="$EXECUTION_DIR/xharness-output"
+
+if [ -z "$HELIX_WORKITEM_UPLOAD_ROOT" ]; then
+    export XHARNESS_OUT="$EXECUTION_DIR/xharness-output"
+else
+    export XHARNESS_OUT="$HELIX_WORKITEM_UPLOAD_ROOT/xharness-output"
+fi
 
 dotnet xharness ios test  \
     --targets="$TARGET"   \
diff --git a/eng/testing/WasmRunnerTemplate.sh b/eng/testing/WasmRunnerTemplate.sh
index e2e3996cab58c0..f52cdc5dcc32e7 100644
--- a/eng/testing/WasmRunnerTemplate.sh
+++ b/eng/testing/WasmRunnerTemplate.sh
@@ -4,7 +4,11 @@ EXECUTION_DIR=$(dirname $0)
 
 cd $EXECUTION_DIR
 
-XHARNESS_OUT="$EXECUTION_DIR/xharness-output"
+if [ -z "$HELIX_WORKITEM_UPLOAD_ROOT" ]; then
+	XHARNESS_OUT="$EXECUTION_DIR/xharness-output"
+else
+	XHARNESS_OUT="$HELIX_WORKITEM_UPLOAD_ROOT/xharness-output"
+fi
 
 if [ ! -z "$XHARNESS_CLI_PATH" ]; then
 	# When running in CI, we only have the .NET runtime available