update tests

Tools/utils.go

@@ -0,0 +1,12 @@
+package Tools
+
+import (
+	"log"
+	"os"
+)
+
+// InitLog ensure log file exists and set appropriate flags (remove timestamp at start of line).
+func InitLog() {
+	log.SetOutput(os.Stdout)
+	log.SetFlags(log.Flags() &^ (log.Ldate | log.Ltime))
+}