pkg: move testutil to pkg

pkg/test_util.go

@@ -0,0 +1,14 @@
+package pkg
+
+import (
+	"runtime"
+)
+
+// WARNING: This is a hack.
+// Remove this when we are able to block/check the status of the go-routines.
+func ForceGosched() {
+	// possibility enough to sched upto 10 go routines.
+	for i := 0; i < 10000; i++ {
+		runtime.Gosched()
+	}
+}