failing test: test/showCustomGradebookColumns.test.js

[craigdsthompson]

 FAIL  test/showCustomGradebookColumns.test.js
  ● Test suite failed to run

    Cannot find module '../src/showCustomGradebookColumns' from 'test/showCustomGradebookColumns.test.js'

      1 | /* global test, expect */
      2 |
    > 3 | const showCustomGradebookColumns = require('../src/showCustomGradebookColumns')
        |                                    ^
      4 |
      5 | test('showCustomGradebookColumns function exists', () => {
      6 |   expect(typeof showCustomGradebookColumns).toEqual('function')

      at Resolver._throwModNotFoundError (node_modules/jest-resolve/build/resolver.js:427:11)
      at Object.require (test/showCustomGradebookColumns.test.js:3:36)