added unit test for loading configuration file

pkg/setting/setting_test.go

@@ -0,0 +1,22 @@
+package setting
+
+import (
+	"path/filepath"
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestLoadingSettings(t *testing.T) {
+
+	WorkDir, _ = filepath.Abs("../../")
+
+	Convey("Testing loading settings from ini file", t, func() {
+
+		Convey("Given the default ini files", func() {
+			NewConfigContext()
+
+			So(AppName, ShouldEqual, "Grafana")
+		})
+	})
+}