adding tests

rpc/wrtc_call_queue_mongodb_test.go

@@ -17,12 +17,13 @@ import (
 var activeAnswerersTrigger chan int
 
 func init() {
-	activeAnswerersTrigger = make(chan int, 100)
+	activeAnswerersTrigger = make(chan int, 10)
 }
 
 func activeAnswerersStub(hostnames []string) {
-	// creates a channel to check that we are calling this function
-	// when we have valid answerers
+	// This stub is used to check whether answereres are calling this function
+	// because we will call this every second, we want to add a buffer into the channel
+	// so that it doesn't block within the test because of race conditions
 	activeAnswerersTrigger <- len(hostnames)
 }
 
@@ -139,7 +140,6 @@ func TestMongoDBWebRTCCallQueueMulti(t *testing.T) {
 			t.Logf("received offer %d=%s", i, exchange.UUID())
 			test.That(t, err, test.ShouldBeNil)
 			exchanges = append(exchanges, exchange)
-
 		}
 
 		time.Sleep(2 * time.Second)