tests: rename and document test-command-template.t So that we can specify templater tests as test-template-*. (original) $ wc -l test-command-template.t test-template-* 5041 test-command-template.t 23 test-template-filters.t 5064 total (at this patch) $ wc -l test-template-* 1088 test-template-basic.t 1376 test-template-functions.t 1195 test-template-keywords.t 1760 test-template-map.t 5419 total