fix(deps): upgrade sinon-chai 2.x -> 3.x (#3207)
fix(deps): upgrade sinon-chai 2.x -> 3.x (#3207)


maksimr/karma,maksimr/karma,johnjbarton/karma,maksimr/karma,karma-runner/karma,karma-runner/karma,david-garcia-nete/karma,johnjbarton/karma,karma-runner/karma,karma-runner/karma,david-garcia-nete/karma,david-garcia-nete/karma,johnjbarton/karma,johnjbarton/karma