diff --git a/src/test/java/org/elasticsearch/watcher/history/HistoryStoreSettingsTests.java b/src/test/java/org/elasticsearch/watcher/history/HistoryStoreSettingsTests.java
index a38df059229..90ccbdf5c65 100644
--- a/src/test/java/org/elasticsearch/watcher/history/HistoryStoreSettingsTests.java
+++ b/src/test/java/org/elasticsearch/watcher/history/HistoryStoreSettingsTests.java
@@ -8,17 +8,19 @@ package org.elasticsearch.watcher.history;
 import org.elasticsearch.action.admin.indices.template.get.GetIndexTemplatesResponse;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.test.ElasticsearchIntegrationTest;
-import org.elasticsearch.watcher.history.HistoryStore;
+import org.elasticsearch.test.junit.annotations.TestLogging;
 import org.elasticsearch.watcher.test.AbstractWatcherIntegrationTests;
 import org.junit.Test;
 
 import static org.elasticsearch.test.ElasticsearchIntegrationTest.Scope.TEST;
+import static org.elasticsearch.test.hamcrest.ElasticsearchAssertions.assertAcked;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.nullValue;
 import static org.hamcrest.core.Is.is;
 
 /**
  */
+@TestLogging("cluster:DEBUG,action.admin.cluster.settings:DEBUG")
 @ElasticsearchIntegrationTest.ClusterScope(scope = TEST, numClientNodes = 0, transportClientRatio = 0, randomDynamicTemplates = false, numDataNodes = 1)
 public class HistoryStoreSettingsTests extends AbstractWatcherIntegrationTests {
 
@@ -28,13 +30,14 @@ public class HistoryStoreSettingsTests extends AbstractWatcherIntegrationTests {
         assertThat(response.getIndexTemplates().get(0).getSettings().get("index.number_of_shards"), equalTo("1"));
         assertThat(response.getIndexTemplates().get(0).getSettings().get("index.number_of_replicas"), nullValue()); // this isn't defined in the template, so we rely on ES's default, which is zero
         assertThat(response.getIndexTemplates().get(0).getSettings().get("index.refresh_interval"), nullValue()); // this isn't defined in the template, so we rely on ES's default, which is 1s
-
-        client().admin().cluster().prepareUpdateSettings()
-                .setTransientSettings(Settings.builder()
-                        .put("watcher.history.index.number_of_shards", "2")
-                        .put("watcher.history.index.number_of_replicas", "2")
-                        .put("watcher.history.index.refresh_interval", "5m"))
-                .get();
+        assertAcked(
+                client().admin().cluster().prepareUpdateSettings()
+                        .setTransientSettings(Settings.builder()
+                                .put("watcher.history.index.number_of_shards", "2")
+                                .put("watcher.history.index.number_of_replicas", "2")
+                                .put("watcher.history.index.refresh_interval", "5m"))
+                        .get()
+        );
 
         // use assertBusy(...) because we update the index template in an async manner
         assertBusy(new Runnable() {
@@ -54,11 +57,13 @@ public class HistoryStoreSettingsTests extends AbstractWatcherIntegrationTests {
         assertThat(response.getIndexTemplates().get(0).getSettings().get("index.number_of_shards"), equalTo("1"));
         assertThat(response.getIndexTemplates().get(0).getSettings().getAsBoolean("index.mapper.dynamic", null), is(false));
 
-        client().admin().cluster().prepareUpdateSettings()
+        assertAcked(
+                client().admin().cluster().prepareUpdateSettings()
                 .setTransientSettings(Settings.builder()
                         .put("watcher.history.index.number_of_shards", "2")
                         .put("watcher.history.index.mapper.dynamic", true)) // forbidden setting, should not get updated
-                .get();
+                .get()
+        );
 
         // use assertBusy(...) because we update the index template in an async manner
         assertBusy(new Runnable() {