TBR: More slashes to colons

Change-Id: I453897e9ac0f6ca09641d4490cd96df088176468
diff --git a/go/src/v.io/x/sensorlog/internal/measure/watcher_test.go b/go/src/v.io/x/sensorlog/internal/measure/watcher_test.go
index be9f3f8..e0e315e 100644
--- a/go/src/v.io/x/sensorlog/internal/measure/watcher_test.go
+++ b/go/src/v.io/x/sensorlog/internal/measure/watcher_test.go
@@ -77,7 +77,7 @@
 }
 
 func TestWatchError(t *testing.T) {
-	_, ctxMeasured, sbName, _, cleanup := sbtu.SetupOrDieCustom("one", "one/sb", nil)
+	_, ctxMeasured, sbName, _, cleanup := sbtu.SetupOrDieCustom("one", "one:sb", nil)
 	defer cleanup()
 
 	// Open app/db (create both) as measured. Keep write permission on StreamDef.