More golang testing tips

src/dev/golang/testing.md

@@ -77,3 +77,25 @@ t.Fatalf()
 ## I don't want my tests to be messy (kudos @athoune)
 
 [Assert](https://godoc.org/github.com/stretchr/testify/assert)
+
+## Shit, i want to disable my oauth test on my CI
+
+```golang
+if os.Getenv("DRONE") == "true" {
+	t.Skip("Skipping test in CI environment")
+}
+```
+
+## Short mode
+
+This test is too long ? Skip it !
+
+```golang
+	if testing.Short() {
+		t.Skip("Skipping test in short mode")
+	}
+```
+
+```shell
+go test github.com/go/pkg/package --short
+```