SEBA-902 single-olt tests;
Pin protoc-gen-go to 1.3.2 to resolve compatibility issue;
Run go mod tidy / go mod vendor on importer;
Add Go Module support to demotest

Change-Id: Ifde824fc9a6317b0adc1e12bea54ee1f9b788906
diff --git a/vendor/github.com/sirupsen/logrus/exported.go b/vendor/github.com/sirupsen/logrus/exported.go
index 62fc2f2..42b04f6 100644
--- a/vendor/github.com/sirupsen/logrus/exported.go
+++ b/vendor/github.com/sirupsen/logrus/exported.go
@@ -80,7 +80,7 @@
 	return std.WithFields(fields)
 }
 
-// WithTime creats an entry from the standard logger and overrides the time of
+// WithTime creates an entry from the standard logger and overrides the time of
 // logs generated with it.
 //
 // Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal