Re-enable TelemetryConsumptionWorks test (#1994)

Author: MihaZupan

test/ReverseProxy.FunctionalTests/TelemetryConsumptionTests.cs

@@ -99,16 +99,18 @@ private static void VerifyStages(string[] expected, List<(string Stage, DateTime
         }
     }
 
-    [Theory (Skip = "https://github.com/microsoft/reverse-proxy/issues/1881")]
+    [Theory]
     [InlineData(RegistrationApproach.WithInstanceHelper)]
     [InlineData(RegistrationApproach.WithGenericHelper)]
     [InlineData(RegistrationApproach.Manual)]
     public async Task TelemetryConsumptionWorks(RegistrationApproach registrationApproach)
     {
+        var useHttpsOnDestination = !OperatingSystem.IsMacOS();
+
         var test = new TestEnvironment(
             async context => await context.Response.WriteAsync("Foo"))
         {
-            UseHttpsOnDestination = true,
+            UseHttpsOnDestination = useHttpsOnDestination,
             ClusterId = Guid.NewGuid().ToString(),
             ConfigureProxy = proxyBuilder => RegisterTelemetryConsumers(proxyBuilder.Services, registrationApproach),
         };
@@ -144,6 +146,11 @@ await test.Invoke(async uri =>
             "OnRequestStop-Kestrel"
         };
 
+        if (!useHttpsOnDestination)
+        {
+            expected = expected.Where(s => !s.Contains("OnHandshake", StringComparison.Ordinal)).ToArray();
+        }
+
         foreach (var consumerType in new[] { typeof(TelemetryConsumer), typeof(SecondTelemetryConsumer) })
         {
             Assert.True(TelemetryConsumer.PerClusterTelemetry.TryGetValue((test.ClusterId, consumerType), out var stages));