Cannot find module 'gatsby-core-utils' on 3.2.1

[frattaro]

Description

Dependabot updating gatsby from 3.2.0 to 3.2.1:
Running gatsby develop in travis on npm 12 (for the purpose of cypress testing) results in Error: module not found "gatsby-core-utils" on 3.2.1

Build log:

> gatsby develop -p 8081
/home/travis/build/[...]/node_modules/yoga-layout-prebuilt/yoga-layout/build/Release/nbind.js:53
        throw ex;
        ^
Error: Cannot find module 'gatsby-core-utils'
Require stack:
- /home/travis/build/[...]/node_modules/babel-plugin-remove-graphql-queries/index.js
- /home/travis/build/[...]/node_modules/gatsby/dist/query/file-parser.js
- /home/travis/build/[...]/node_modules/gatsby/dist/query/query-compiler.js
- /home/travis/build/[...]/node_modules/gatsby/dist/query/query-watcher.js
- /home/travis/build/[...]/node_modules/gatsby/dist/services/extract-queries.js
- /home/travis/build/[...]/node_modules/gatsby/dist/services/index.js
- /home/travis/build/[...]/node_modules/gatsby/dist/state-machines/develop/services.js
- /home/travis/build/[...]/node_modules/gatsby/dist/state-machines/develop/index.js
- /home/travis/build/[...]/node_modules/gatsby/dist/commands/develop-process.js
- /home/travis/build/[...]/.cache/tmp-5698-E8Q4a8bNPWND
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:815:15)
    at Function.Module._load (internal/modules/cjs/loader.js:667:27)
    at Module.require (internal/modules/cjs/loader.js:887:19)
    at require (/home/travis/build/[...]/node_modules/v8-compile-cache/v8-compile-cache.js:159:20)
    at Object.<anonymous> (/home/travis/build/[...]/node_modules/babel-plugin-remove-graphql-queries/index.js:19:24)
    at Module._compile (/home/travis/build/[...]/node_modules/v8-compile-cache/v8-compile-cache.js:192:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
    at Module.load (internal/modules/cjs/loader.js:863:32)
    at Function.Module._load (internal/modules/cjs/loader.js:708:14)
    at Module.require (internal/modules/cjs/loader.js:887:19)
    at require (/home/travis/build/[...]/node_modules/v8-compile-cache/v8-compile-cache.js:159:20)
    at Object.<anonymous> (/home/travis/build/[...]/node_modules/gatsby/src/query/file-parser.js:15:5)
    at Module._compile (/home/travis/build/[...]/node_modules/v8-compile-cache/v8-compile-cache.js:192:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
    at Module.load (internal/modules/cjs/loader.js:863:32)
    at Function.Module._load (internal/modules/cjs/loader.js:708:14) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '/home/travis/build/[...]/node_modules/babel-plugin-remove-graphql-queries/index.js',
    '/home/travis/build/[...]/node_modules/gatsby/dist/query/file-parser.js',
    '/home/travis/build/[...]/node_modules/gatsby/dist/query/query-compiler.js',
    '/home/travis/build/[...]/node_modules/gatsby/dist/query/query-watcher.js',
    '/home/travis/build/[...]/node_modules/gatsby/dist/services/extract-queries.js',
    '/home/travis/build/[...]/node_modules/gatsby/dist/services/index.js',
    '/home/travis/build/[...]/node_modules/gatsby/dist/state-machines/develop/services.js',
    '/home/travis/build/[...]/node_modules/gatsby/dist/state-machines/develop/index.js',
    '/home/travis/build/[...]/node_modules/gatsby/dist/commands/develop-process.js',
    '/home/travis/build/[...]/.cache/tmp-5698-E8Q4a8bNPWND'
  ]
}

Solution

Clear the travis cache (not sure if this did anything),
Open the dependabot branch in your local, delete node_modules, delete package-lock.json, run npm i
Commit changes
Travis fixed :)