Disable PingTest.CancelSendPingAsync on OSX (#114783)

* Disable System.Net.NetworkInformation.Tests.PingTest.CancelSendPingAsync on OSX

* Update src/libraries/System.Net.Ping/tests/FunctionalTests/PingTest.cs

Author: rzikm

src/libraries/System.Net.Ping/tests/FunctionalTests/PingTest.cs

@@ -694,6 +694,11 @@ public async Task SendPingAsyncWithAlreadyCanceledToken(bool useIPAddress)
         [OuterLoop] // Depends on external host and assumption that successful ping takes long enough for cancellation to go through first
         public async Task CancelSendPingAsync(bool useIPAddress, bool useCancellationToken)
         {
+            if (PlatformDetection.IsOSX && useIPAddress && !useCancellationToken)
+            {
+                throw new SkipTestException("[ActiveIssue(https://github.com/dotnet/runtime/issues/114782)]");
+            }
+
             using CancellationTokenSource source = new();
 
             using Ping ping = new();
@@ -870,7 +875,8 @@ public async Task SendPingAsync_LocaleEnvVarsMustBeIgnored(AddressFamily address
         {
             IPAddress localIpAddress = TestSettings.GetLocalIPAddress(addressFamily);
 
-            var remoteInvokeStartInfo = new ProcessStartInfo {
+            var remoteInvokeStartInfo = new ProcessStartInfo
+            {
                 EnvironmentVariables =
                 {
                     ["LANG"] = envVar_LANG,