tests: add tests for bookmarks support in hg identify

tests/test-identify.t

@@ -80,6 +80,29 b' remote with branch?'
   abort: can't query remote revision number, branch, or tags
   [255]
 
+test bookmark support
+
+  $ hg bookmark Y
+  $ hg bookmark Z
+  $ hg bookmarks
+     Y                         0:cb9a9f314b8b
+   * Z                         0:cb9a9f314b8b
+  $ hg id
+  cb9a9f314b8b+ tip Y/Z
+  $ hg id --bookmarks
+  Y Z
+
+test remote identify with bookmarks
+
+  $ hg id http://localhost:$HGPORT1/
+  cb9a9f314b8b Y/Z
+  $ hg id --bookmarks http://localhost:$HGPORT1/
+  Y Z
+  $ hg id -r . http://localhost:$HGPORT1/
+  cb9a9f314b8b Y/Z
+  $ hg id --bookmarks -r . http://localhost:$HGPORT1/
+  Y Z
+
 Make sure we do not obscure unknown requires file entries (issue2649)
 
   $ echo fake >> .hg/requires