Add wire tests to delete autoscaling policy request

This commit adds some wire serializing tests for delete autoscaling
policy requests.

x-pack/plugin/autoscaling/src/main/java/org/elasticsearch/xpack/autoscaling/action/DeleteAutoscalingPolicyAction.java

@@ -53,6 +53,19 @@ public class DeleteAutoscalingPolicyAction extends ActionType<AcknowledgedRespon
             return null;
         }
 
+        @Override
+        public boolean equals(final Object o) {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            final Request request = (Request) o;
+            return name.equals(request.name);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(name);
+        }
+
     }
 
 }

x-pack/plugin/autoscaling/src/test/java/org/elasticsearch/xpack/autoscaling/action/DeleteAutoscalingPolicyActionRequestWireSerializingTests.java

@@ -0,0 +1,25 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+package org.elasticsearch.xpack.autoscaling.action;
+
+import org.elasticsearch.common.io.stream.Writeable;
+import org.elasticsearch.test.AbstractWireSerializingTestCase;
+
+public class DeleteAutoscalingPolicyActionRequestWireSerializingTests extends AbstractWireSerializingTestCase<
+    DeleteAutoscalingPolicyAction.Request> {
+
+    @Override
+    protected Writeable.Reader<DeleteAutoscalingPolicyAction.Request> instanceReader() {
+        return DeleteAutoscalingPolicyAction.Request::new;
+    }
+
+    @Override
+    protected DeleteAutoscalingPolicyAction.Request createTestInstance() {
+        return new DeleteAutoscalingPolicyAction.Request(randomAlphaOfLength(8));
+    }
+
+}