PushOne: Remove unused addRef() method

This is only used by tests and should have been removed when
addRefBatch() superseded it.

Change-Id: If9de1df29fd56a595fa4d4b2b4f5716264a67e11
Release-Notes: skip

src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java b/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java
index ed84087..6feba66 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/replication/PushOne.java
@@ -287,10 +287,6 @@
     return uri;
   }
 
-  void addRef(String ref) {
-    addRefBatch(ImmutableSet.of(ref));
-  }
-
   void addRefBatch(ImmutableSet<String> refBatch) {
     if (refBatch.size() == 1 && refBatch.contains(ALL_REFS)) {
       refBatchesToPush.clear();

src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java

diff --git a/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java b/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
index 8664adc..21fe85c 100644
--- a/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
+++ b/src/test/java/com/googlesource/gerrit/plugins/replication/PushOneTest.java
@@ -202,7 +202,7 @@
 
     PushOne pushOne = createPushOne(replicationPushFilter);
 
-    pushOne.addRef(PushOne.ALL_REFS);
+    pushOne.addRefBatch(ImmutableSet.of(PushOne.ALL_REFS));
     pushOne.run();
 
     isCallFinished.await(TEST_PUSH_TIMEOUT_SECS, TimeUnit.SECONDS);
@@ -224,7 +224,7 @@
 
     PushOne pushOne = createPushOne(replicationPushFilter);
 
-    pushOne.addRef(PushOne.ALL_REFS);
+    pushOne.addRefBatch(ImmutableSet.of(PushOne.ALL_REFS));
     pushOne.run();
 
     isCallFinished.await(10, TimeUnit.SECONDS);
@@ -351,7 +351,7 @@
     when(gitRepositoryManagerMock.openRepository(projectNameKey))
         .thenThrow(new RepositoryNotFoundException("not found"));
     PushOne pushOne = createPushOne(null);
-    pushOne.addRef(PushOne.ALL_REFS);
+    pushOne.addRefBatch(ImmutableSet.of(PushOne.ALL_REFS));
     pushOne.setToRetry();
     pushOne.run();
     assertThat(pushOne.isRetrying()).isFalse();
@@ -363,7 +363,7 @@
             NEW, "bar", ObjectId.fromString("0000000000000000000000000000000000000001"));
     localRefs.add(barLocalRef);
 
-    pushOne.addRef(PushOne.ALL_REFS);
+    pushOne.addRefBatch(ImmutableSet.of(PushOne.ALL_REFS));
     pushOne.run();
 
     isCallFinished.await(TEST_PUSH_TIMEOUT_SECS, TimeUnit.SECONDS);