Improved method name

Change-Id: I90430ed9404f9fab06be1098262cbdacad8551e6
diff --git a/container-images/gerrit-init/tools/gerrit-initializer/initializer/tasks/reindex.py b/container-images/gerrit-init/tools/gerrit-initializer/initializer/tasks/reindex.py
index 97ccf97..6648c11 100755
--- a/container-images/gerrit-init/tools/gerrit-initializer/initializer/tasks/reindex.py
+++ b/container-images/gerrit-init/tools/gerrit-initializer/initializer/tasks/reindex.py
@@ -67,7 +67,7 @@
                 not_ready_indices.append(index)
         return not_ready_indices
 
-    def _check_index_versions(self):
+    def _does_newest_index_exist(self):
         indices = self._get_indices()
 
         if not indices:
@@ -112,7 +112,7 @@
         if not_ready_indices:
             self.reindex(not_ready_indices)
 
-        if not self._check_index_versions():
+        if not self._does_newest_index_exist():
             LOG.info("Not all indices are up-to-date.")
             self.reindex()
             return