Add unit- and functional test runners based on github actions

.github/workflows/e2e.yaml

@@ -0,0 +1,22 @@
+on: [pull_request]
+name: e2e
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+          repository: kubevirt/project-infra
+          path: project-infra
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+      - name: kubeconfig
+        run: 'echo -e "$KUBECONFIG" > $GITHUB_WORKSPACE/project-infra/.kubeconfig'
+        shell: bash
+        env:
+          KUBECONFIG: ${{secrets.KUBECONFIG}}
+      - name: Test
+        run: |
+          $GITHUB_WORKSPACE/project-infra/hack/mkpj.sh --job pull-kubernetes-sigs-cluster-api-provider-kubevirt-e2e --pull-number ${{github.event.number}} --kubeconfig $GITHUB_WORKSPACE/project-infra/.kubeconfig --trigger-job

.github/workflows/test.yaml

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+on: [push, pull_request]
+name: Test
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.16.x, 1.17.x]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - name: Install Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: ${{ matrix.go-version }}
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Test
+      run: make test
+    - name: Build
+      run: make manager