Don't use Subject#named anymore

Subject#named is being removed. As recommended, migrate from
assertThat(foo).named("foo") to assertWithMessage("foo").that(foo).

Change-Id: Ic4f7ad29215be09d0057e3742bbfda15f16d9b42
diff --git a/src/test/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProjectIT.java b/src/test/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProjectIT.java
index 1bc8b72..af3bada 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProjectIT.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProjectIT.java
@@ -15,6 +15,7 @@
 package com.googlesource.gerrit.plugins.deleteproject;
 
 import static com.google.common.truth.Truth.assertThat;
+import static com.google.common.truth.Truth.assertWithMessage;
 import static com.google.gerrit.acceptance.GitUtil.pushHead;
 import static com.google.gerrit.server.group.SystemGroupBackend.REGISTERED_USERS;
 import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
@@ -286,7 +287,7 @@
     String tagRef = RefNames.REFS_TAGS + tagName;
     PushResult r = pushHead(testRepo, tagRef, false, false);
     RemoteRefUpdate refUpdate = r.getRemoteUpdate(tagRef);
-    assertThat(refUpdate.getStatus()).named("LIGHTWEIGHT").isEqualTo(Status.OK);
+    assertWithMessage("LIGHTWEIGHT").that(refUpdate.getStatus()).isEqualTo(Status.OK);
   }
 
   private boolean isEmpty(Path dir) throws IOException {