chore(test): add verbose logger for unittests

Capture sarama logging output when tests are run with `-v`

Signed-off-by: Dominic Evans <[email protected]>

sarama_test.go

@@ -0,0 +1,19 @@
+//go:build !functional
+// +build !functional
+
+package sarama
+
+import (
+	"flag"
+	"log"
+	"os"
+	"testing"
+)
+
+func TestMain(m *testing.M) {
+	flag.Parse()
+	if f := flag.Lookup("test.v"); f != nil && f.Value.String() == "true" {
+		Logger = log.New(os.Stderr, "[Sarama] ", log.LstdFlags)
+	}
+	os.Exit(m.Run())
+}