Add e2e tests for GPU monitoring.

test/e2e/framework/framework.go

@@ -80,7 +80,7 @@ type Framework struct {
 	NamespaceDeletionTimeout time.Duration
 	SkipPrivilegedPSPBinding bool // Whether to skip creating a binding to the privileged PSP in the test namespace
 
-	gatherer *containerResourceGatherer
+	gatherer *ContainerResourceGatherer
 	// Constraints that passed to a check which is executed after data is gathered to
 	// see if 99% of results are within acceptable bounds. It has to be injected in the test,
 	// as expectations vary greatly. Constraints are grouped by the container names.