Add minimal e2e tests to verify operator starts (#230)

This is a minimal version of #228 which just spins up a cluster and
verifies that the operator starts. Once this is merged expanding the e2e
tests will be easier. In the meantime we have some validation that the
Helm chart will run in a cluster.

Signed-off-by: Philip Laine <philip.laine@gmail.com>

.github/workflows/go.yaml

@@ -8,7 +8,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - name: Clone the code
+      - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd #v6.0.2
       - name: Setup Go
         uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c #v6.4.0
@@ -19,7 +19,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - name: Clone the code
+      - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd #v6.0.2
       - name: Setup Go
         uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c #v6.4.0
@@ -33,5 +33,16 @@ jobs:
         run: |
           make generate
           git diff --exit-code
-      - name: Running Tests
+      - name: Running unit tests
         run: make test
+  e2e:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd #v6.0.2
+      - name: Setup Go
+        uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c #v6.4.0
+        with:
+          go-version-file: go.mod
+      - name: Running e2e tests
+        run: make test-e2e