Fix import of com.google.common.collect.Sets

The Sets was wrongly imported from org.apache.commons.compress.utils
instead of Guava.

Change-Id: I7729fed267bb7658944c745351c26fcc895b09ba

owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersITAbstract.java

diff --git a/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersITAbstract.java b/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersITAbstract.java
index 7682434..826ebdb 100644
--- a/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersITAbstract.java
+++ b/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersITAbstract.java
@@ -44,7 +44,7 @@
 import com.googlesource.gerrit.owners.restapi.GetFilesOwners.LabelNotFoundException;
 import java.util.Map;
 import javax.servlet.http.HttpServletResponse;
-import org.apache.commons.compress.utils.Sets;
+import com.google.common.collect.Sets;
 import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
 import org.eclipse.jgit.junit.TestRepository;
 import org.eclipse.jgit.transport.FetchResult;

owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersSubmitRequirementsIT.java

diff --git a/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersSubmitRequirementsIT.java b/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersSubmitRequirementsIT.java
index bfb8d02..bcad86a 100644
--- a/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersSubmitRequirementsIT.java
+++ b/owners/src/test/java/com/googlesource/gerrit/owners/restapi/GetFilesOwnersSubmitRequirementsIT.java
@@ -36,7 +36,7 @@
 import java.nio.file.Files;
 import java.nio.file.StandardOpenOption;
 import java.util.Map;
-import org.apache.commons.compress.utils.Sets;
+import com.google.common.collect.Sets;
 import org.eclipse.jgit.lib.Config;
 import org.junit.Test;