Merging the AsyncRequest logging fix.

Assets/Scripts/Infrastructure/AsyncRequest.cs

             catch (Exception e)
             {
                 ParseServiceException(e);
-                Exception eFull = new Exception($"Call stack before async call:\n{currentTrace}\n", e); // TODO: Are we still missing Relay exceptions after the update?
-                throw eFull;
+                UnityEngine.Debug.LogError($"AsyncRequest threw an exception. Call stack before async call:\n{currentTrace}\n"); // Note that we log here instead of creating a new Exception in case of a change in calling context during the async call. E.g. Relay has its own exception handling that would intercept this call stack.
+                throw;
             }
             finally
             {   onComplete?.Invoke();
             catch (Exception e)
             {
                 ParseServiceException(e);
-                Exception eFull = new Exception($"Call stack before async call:\n{currentTrace}\n", e);
-                throw eFull;
+                UnityEngine.Debug.LogError($"AsyncRequest threw an exception. Call stack before async call:\n{currentTrace}\n");
+                throw;
             }
             finally
             {   onComplete?.Invoke(result);

Assets/Scripts/Tests/PlayMode/LobbyRoundtripTests.cs

         [UnityTest]
         public IEnumerator OnCompletesOnFailure()
         {
-            LogAssert.Expect(LogType.Exception, new Regex(".*400 Bad Request.*"));
             if (!m_didSigninComplete)
                 yield return new WaitForSeconds(3);
             if (!m_didSigninComplete)
+            LogAssert.ignoreFailingMessages = true; // Multiple errors will appears for the exception.
             LobbyAPIInterface.CreateLobbyAsync("ThisStringIsInvalidHere", "lobby name", 123, false, m_mockUserData, (r) => { didComplete = (r == null); });
             float timeout = 5;
             while (didComplete == null && timeout > 0)
+            LogAssert.ignoreFailingMessages = false;
+
             Assert.Greater(timeout, 0, "Timeout check");
             Assert.NotNull(didComplete, "Should have called onComplete, even if the async request failed.");
             Assert.True(didComplete, "The returned object will be null, so expect to need to handle it.");