Skip shared engine tests on amd64 machines

Author: timfel

graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/engine/SharedEngineMultithreadingTestBase.java

@@ -55,6 +55,8 @@
 
 import org.graalvm.polyglot.Context;
 import org.graalvm.polyglot.Engine;
+import org.junit.Assume;
+import org.junit.BeforeClass;
 import org.junit.Rule;
 
 import com.oracle.graal.python.test.integration.CleanupRule;
@@ -73,6 +75,12 @@ public class SharedEngineMultithreadingTestBase extends PythonTests {
 
     @Rule public CleanupRule cleanup = new CleanupRule();
 
+    @BeforeClass
+    public static void setupClass() {
+        Assume.assumeFalse("Polyglot isolates may run out of socket descriptors, but apparently this just happens in our amd64 runners",
+                        Boolean.getBoolean("polyglot.engine.SpawnIsolate") && !isAArch64());
+    }
+
     protected static void log(String fmt, Object... args) {
         if (LOG) {
             System.out.printf(fmt + "\n", args);

graalpython/com.oracle.graal.python.test.integration/src/org/graalvm/python/embedding/test/integration/VirtualFileSystemIntegrationTest.java

@@ -270,7 +270,8 @@ public void fsOperations(Context ctx, String pathPrefix) {
         eval(ctx, "import os; assert os.path.exists('{pathPrefix}emptydir')", pathPrefix);
         eval(ctx, "import os; assert os.path.exists('{pathPrefix}emptydir/')", pathPrefix);
         eval(ctx, "import os; assert os.path.exists('{pathPrefix}dir1/file2')", pathPrefix);
-        Assume.assumeFalse("[GR-66484] FileNotFoundException is not translated properly to isolate and then the Python code gets a generic I/O error", Boolean.getBoolean("polyglot.engine.SpawnIsolate"));
+        Assume.assumeFalse("[GR-66484] FileNotFoundException is not translated properly to isolate and then the Python code gets a generic I/O error",
+                        Boolean.getBoolean("polyglot.engine.SpawnIsolate"));
         eval(ctx, "import os; assert not os.path.exists('{pathPrefix}doesnotexist')", pathPrefix);
         eval(ctx, "import os; assert not os.path.exists('{pathPrefix}doesnotexist/')", pathPrefix);