[GR-36521] Skip transient socket test on darwin

Author: timfel

graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/SocketTests.java

@@ -105,6 +105,7 @@
 import org.junit.runners.Parameterized.Parameter;
 import org.junit.runners.Parameterized.Parameters;
 
+import com.oracle.graal.python.builtins.PythonOS;
 import com.oracle.graal.python.builtins.objects.exception.OSErrorEnum;
 import com.oracle.graal.python.runtime.PosixConstants.MandatoryIntConstant;
 import com.oracle.graal.python.runtime.PosixSupportLibrary;
@@ -587,6 +588,10 @@ public void dgramSelect() throws PosixException {
 
     @Test
     public void streamSelect() throws PosixException {
+        if (PythonOS.getPythonOS() == PythonOS.PLATFORM_DARWIN) {
+            // transiently fails on darwin, skip
+            return;
+        }
         TcpServer srv = new TcpServer(AF_INET.value);
         TcpClient cli = new TcpClient(AF_INET.value);