in x-test.js [1118:1130]
static count(context, stepId) {
const step = context.state.steps[stepId];
switch (step.type) {
case 'test-plan':
return context.state.tests[step.testId].children.length;
case 'describe-plan':
return context.state.describes[step.describeId].children.length;
case 'exit':
return context.state.children.length;
default:
throw new Error(`Unexpected type "${step.type}".`);
}
}