PMM-7470 Updated CI config

Author: percona-csalguero

.github/workflows/go.yml

@@ -57,8 +57,8 @@ jobs:
           git clone --depth=1 https://go.googlesource.com/go $HOME/gotip
           cd $HOME/gotip/src
           ./make.bash
-          echo "::set-env name=GOROOT::$HOME/gotip"
-          echo "::add-path::$HOME/gotip/bin"
+          echo "GOROOT=$HOME/gotip" >> $GITHUB_ENV
+          echo "$HOME/gotip/bin" >> $GITHUB_PATH
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@v2

main_test.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestBuildExporter(t *testing.T) {
+	opts := GlobalFlags{
+		CollStatsCollections:  "c1,c2,c3",
+		IndexStatsCollections: "i1,i2,i3",
+		URI:                   "mongodb://usr:[email protected]/",
+		GlobalConnPool:        false, // to avoid testing the connection
+		WebListenAddress:      "localhost:12345",
+		WebTelemetryPath:      "/mymetrics",
+		LogLevel:              "debug",
+
+		DisableDiagnosticData:   true,
+		DisableReplicasetStatus: true,
+
+		CompatibleMode: true,
+	}
+
+	_, err := buildExporter(opts)
+	assert.NoError(t, err)
+}