End of the // eradication.

or was that p eradication?

// is no longer given any special status.  Names are
cleaned pretty much everywhere before being used,
multiple adjacent spashes are squashed into 1,
trailing slashes are removed.  Thus starting
a name with // is now a mistake.

Change-Id: I2dc5917533352fd9d211a9d1ab184e5cf2f8b56f
diff --git a/tools/profile/impl_test.go b/tools/profile/impl_test.go
index a739a15..e24fb92 100644
--- a/tools/profile/impl_test.go
+++ b/tools/profile/impl_test.go
@@ -118,7 +118,7 @@
 	cmd := root()
 	var stdout, stderr bytes.Buffer
 	cmd.Init(nil, &stdout, &stderr)
-	exists := naming.JoinAddressName(endpoint.String(), "//exists")
+	exists := naming.JoinAddressName(endpoint.String(), "exists")
 
 	// Test the 'label' command.
 	if err := cmd.Execute([]string{"label", exists}); err != nil {