CI: travis-ci -> github actions

.github/workflows/ci.yaml

@@ -0,0 +1,20 @@
+name: Build and Test
+
+on:
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: [ '1.11', '1.12', '1.13' ]
+    name: Go Version ${{ matrix.go }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go }}
+      - run: go install .
+      - run: go test ./...

embedmd/command_test.go

@@ -112,6 +112,7 @@ func eqPtr(a, b *string) bool {
 }
 
 func eqErr(t *testing.T, id string, err error, msg string) bool {
+	t.Helper()
 	if err == nil && msg == "" {
 		return true
 	}

go.mod

@@ -1,3 +1,5 @@
 module github.com/campoy/embedmd
 
+go 1.11
+
 require github.com/pmezard/go-difflib v1.0.0