fixup! Cache functionality and delivery-service-based finality listeners

Signed-off-by: Alexandros Filios <alexandros.filios@ibm.com>

Author: alexandrosfilios

platform/common/utils/cache/timeout_test.go

@@ -45,7 +45,6 @@ func TestTimeoutSimple(t *testing.T) {
 	<-done
 
 	mu.RLock()
-	time.Sleep(3 * time.Second)
 	assert.Equal(map[int]string{1: "a", 2: "b", 3: "c", 4: "d", 5: "e"}, allEvicted)
 	assert.Equal(0, c.Len())
 	_, ok := c.Get(1)