karma-runner/karma-coverage — pull request #25 by yhwh (2013-10-26 12:22:34+00:00)
Title: Fix: Reporter not working if singleRun: true 

Reporter was not creating an istanbul collector properly when singleRun: true since karma is not waiting anymore for all browsers to be connected and start immediately see https://github.com/karma-runner/karma/commit/8647266fd592fe245aaf2be964319d3026432e33