Don't crash when failing to load gerrit changes

Change-Id: I0929e60b225a894b48c335a017a0eb1bf54b7a3b
Remove unused template file

Change-Id: I6f15d1fef76cebfb377e923094da0db2be972cdb
Standardize clicktest tags

Change-Id: I4e3d3a05ddce3f544b8f84718d6518816116497c