fix(client): don't crash if receive array-like results
fix(client): don't crash if receive array-like results

fixes #2061
david-garcia-nete/karma,johnjbarton/karma,maksimr/karma,karma-runner/karma,johnjbarton/karma,karma-runner/karma,johnjbarton/karma,karma-runner/karma,maksimr/karma,david-garcia-nete/karma,david-garcia-nete/karma,maksimr/karma,johnjbarton/karma,karma-runner/karma