Method exec

deps/npm/test/lib/cli/exit-handler.js:84–86

()

  if (error) {
    mocks[`{LIB}/commands/root.js`] = class {
      async exec () {
        throw error
      }
    }
    mocks[`{LIB}/commands/exec.js`] = class extends ExecCommand {
      async exec (...args) {