fix(nettests): now new tests written in Go work

Closes https://github.com/ooni/probe/issues/1233

nettests/facebook_messenger.go

@@ -12,9 +12,6 @@ func (h FacebookMessenger) Run(ctl *Controller) error {
 	if err != nil {
 		return err
 	}
-	if err := builder.SetOptionString("LogLevel", "INFO"); err != nil {
-		return err
-	}
 	return ctl.Run(builder, []string{""})
 }
 

nettests/http_header_field_manipulation.go

@@ -16,9 +16,6 @@ func (h HTTPHeaderFieldManipulation) Run(ctl *Controller) error {
 	if err != nil {
 		return err
 	}
-	if err := builder.SetOptionString("LogLevel", "INFO"); err != nil {
-		return err
-	}
 	return ctl.Run(builder, []string{""})
 }
 

nettests/http_invalid_request_line.go

@@ -16,9 +16,6 @@ func (h HTTPInvalidRequestLine) Run(ctl *Controller) error {
 	if err != nil {
 		return err
 	}
-	if err := builder.SetOptionString("LogLevel", "INFO"); err != nil {
-		return err
-	}
 	return ctl.Run(builder, []string{""})
 }
 

nettests/whatsapp.go

@@ -12,9 +12,6 @@ func (h WhatsApp) Run(ctl *Controller) error {
 	if err != nil {
 		return err
 	}
-	if err := builder.SetOptionString("LogLevel", "INFO"); err != nil {
-		return err
-	}
 	return ctl.Run(builder, []string{""})
 }