Make TestMinWorkerRequirement single threaded
This avoids creating multiple query runners at once.
@@ -20,6 +20,8 @@ import static com.facebook.presto.tests.tpch.TpchQueryRunner.createQueryRunner;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.fail;
+// run single threaded to avoid creating multiple query runners at once
+@Test(singleThreaded = true)
public class TestMinWorkerRequirement
{
@Test(expectedExceptions = RuntimeException.class, expectedExceptionsMessageRegExp = "Cluster is still initializing, there are insufficient active worker nodes \\(4\\) to run query")
