CI: Split build and tests into separate workflows

.github/workflows/run_build.yml

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-name: Tests
+name: Build
 
 on: 
   push:
@@ -22,7 +22,7 @@ on:
 
 jobs:
 
-  run-go-tests:
+  run-go-build:
     runs-on: ubuntu-latest
 
     steps:
@@ -41,6 +41,3 @@ jobs:
 
     - name: Go build
       run: go build -v ./...
-
-    - name: Go test
-      run: go test -v ./...

.github/workflows/run_tests.yml

@@ -0,0 +1,37 @@
+# Copyright 2022 DigitalOcean
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+name: Tests
+
+on: 
+  push:
+    branches: [main]
+  pull_request:
+    branches: ['**']
+
+jobs:
+
+  run-go-tests:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - uses: actions/setup-go@v2
+      with:
+        go-version: 1.17
+
+    # We only test the Ceph package since main depends on go-ceph
+    - name: Go test
+      run: go test -v ./ceph