Disabled AMQP connection tests on OSX (Azure#2930)

Fixes Azure#2887

---------

Co-authored-by: Copilot <[email protected]>

Author: LarryOsterman

sdk/core/azure_core_amqp/src/connection.rs

@@ -264,6 +264,9 @@ mod tests {
         );
     }
 
+    // On macOS, there is a periodic issue where loopback TCP connections fail.
+    // Disable these tests on macOS.
+    #[cfg(not(target_os = "macos"))]
     #[tokio::test]
     async fn amqp_connection_open() {
         let address = std::env::var("TEST_BROKER_ADDRESS");
@@ -294,6 +297,7 @@ mod tests {
         }
     }
 
+    #[cfg(not(target_os = "macos"))]
     #[tokio::test]
     async fn amqp_connection_close() {
         let address = std::env::var("TEST_BROKER_ADDRESS");
@@ -310,6 +314,7 @@ mod tests {
         }
     }
 
+    #[cfg(not(target_os = "macos"))]
     #[tokio::test]
     async fn amqp_connection_close_with_error() {
         tracing_subscriber::fmt::init();