Use dynamic ports for ESSingleNodeTestCase too

Extends #45601 to cover all tests.

test/framework/src/main/java/org/elasticsearch/test/ESSingleNodeTestCase.java

@@ -51,6 +51,7 @@ import org.elasticsearch.node.NodeValidationException;
 import org.elasticsearch.plugins.Plugin;
 import org.elasticsearch.script.ScriptService;
 import org.elasticsearch.search.internal.SearchContext;
+import org.elasticsearch.transport.TransportSettings;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 
@@ -198,6 +199,7 @@ public abstract class ESSingleNodeTestCase extends ESTestCase {
             .put(ScriptService.SCRIPT_MAX_COMPILATIONS_RATE.getKey(), "1000/1m")
             .put(EsExecutors.PROCESSORS_SETTING.getKey(), 1) // limit the number of threads created
             .put("transport.type", getTestTransportType())
+            .put(TransportSettings.PORT.getKey(), ESTestCase.getPortRange())
             .put(Node.NODE_DATA_SETTING.getKey(), true)
             .put(NodeEnvironment.NODE_ID_SEED_SETTING.getKey(), random().nextLong())
             // default the watermarks low values to prevent tests from failing on nodes without enough disk space