Migrate to GitHub Actions

.github/workflows/echo.yml

@@ -0,0 +1,53 @@
+name: Run Tests
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+env:
+  GO111MODULE: on
+  GOPROXY: https://proxy.golang.org
+
+jobs:
+  test:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        go: [1.11, 1.12, 1.13]
+    name: ${{ matrix.os }} @ Go ${{ matrix.go }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Set up Go ${{ matrix.go }}
+        uses: actions/setup-go@v1
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: Set GOPATH and PATH
+        run: |
+          echo "::set-env name=GOPATH::$(dirname $GITHUB_WORKSPACE)"
+          echo "::add-path::$(dirname $GITHUB_WORKSPACE)/bin"
+        shell: bash
+
+      - name: Checkout Code
+        uses: actions/checkout@v1
+        with:
+          ref: ${{ github.ref }}
+
+      - name: Install Dependencies
+        run: go get -v golang.org/x/lint/golint
+
+      - name: Run Tests
+        run: |
+          golint -set_exit_status ./...
+          go test -race --coverprofile=coverage.coverprofile --covermode=atomic ./...
+
+      - name: Upload coverage to Codecov
+        if: success() && matrix.go == 1.13 && matrix.os == 'ubuntu-latest'
+        uses: codecov/codecov-action@v1
+        with:
+          token:
+          fail_ci_if_error: false