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diff --git a/javatests/com/google/gerrit/acceptance/TestGroupBackendTest.java b/javatests/com/google/gerrit/acceptance/TestGroupBackendTest.java
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+++ b/javatests/com/google/gerrit/acceptance/TestGroupBackendTest.java
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+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.gerrit.acceptance;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import com.google.gerrit.extensions.registration.DynamicSet;
+import com.google.gerrit.extensions.registration.RegistrationHandle;
+import com.google.gerrit.reviewdb.client.AccountGroup;
+import com.google.gerrit.server.account.GroupBackend;
+import com.google.gerrit.server.account.UniversalGroupBackend;
+import com.google.gerrit.server.group.testing.TestGroupBackend;
+import com.google.inject.Inject;
+import org.junit.Test;
+
+public class TestGroupBackendTest extends AbstractDaemonTest {
+  @Inject private DynamicSet<GroupBackend> groupBackends;
+  @Inject private UniversalGroupBackend universalGroupBackend;
+
+  private final TestGroupBackend testGroupBackend = new TestGroupBackend();
+  private final AccountGroup.UUID testUUID = new AccountGroup.UUID("testbackend:test");
+
+  @Test
+  public void handlesTestGroup() throws Exception {
+    assertThat(testGroupBackend.handles(testUUID)).isTrue();
+  }
+
+  @Test
+  public void universalGroupBackendHandlesTestGroup() throws Exception {
+    RegistrationHandle registrationHandle = groupBackends.add("gerrit", testGroupBackend);
+    try {
+      assertThat(universalGroupBackend.handles(testUUID)).isTrue();
+    } finally {
+      registrationHandle.remove();
+    }
+  }
+
+  @Test
+  public void doesNotHandleLDAP() throws Exception {
+    assertThat(testGroupBackend.handles(new AccountGroup.UUID("ldap:1234"))).isFalse();
+  }
+
+  @Test
+  public void doesNotHandleNull() throws Exception {
+    assertThat(testGroupBackend.handles(null)).isFalse();
+  }
+
+  @Test
+  public void returnsNullWhenGroupDoesNotExist() throws Exception {
+    assertThat(testGroupBackend.get(testUUID)).isNull();
+  }
+
+  @Test
+  public void returnsNullForNullGroup() throws Exception {
+    assertThat(testGroupBackend.get(null)).isNull();
+  }
+
+  @Test
+  public void returnsKnownGroup() throws Exception {
+    testGroupBackend.create(testUUID);
+    assertThat(testGroupBackend.get(testUUID)).isNotNull();
+  }
+}