Update jest requirement from ^19.0.2 to ^23.6.0

[dependabot-preview[bot]]

Updates the requirements on jest to permit the latest version.

Changelog

*Sourced from [jest's changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md).* > ## 23.6.0 > > ### Features > > - `[jest-cli]` Add `changedSince` to allowed watch mode configs ([#6955](https://github-redirect.dependabot.com/facebook/jest/pull/6955)) > - `[babel-jest]` Add support for `babel.config.js` added in Babel 7.0.0 ([#6911](https://github-redirect.dependabot.com/facebook/jest/pull/6911)) > - `[jest-resolve]` Add support for an experimental `mapper` option (Watchman crawler only) that adds virtual files to the Haste map ([#6940](https://github-redirect.dependabot.com/facebook/jest/pull/6940)) > > ### Fixes > > - `[jest-resolve]` Only resolve realpath once in try-catch ([#6925](https://github-redirect.dependabot.com/facebook/jest/pull/6925)) > - `[expect]` Fix TypeError in `toBeInstanceOf` on `null` or `undefined` ([#6912](https://github-redirect.dependabot.com/facebook/jest/pull/6912)) > - `[jest-jasmine2]` Throw a descriptive error if the first argument supplied to a hook was not a function ([#6917](https://github-redirect.dependabot.com/facebook/jest/pull/6917)) and ([#6931](https://github-redirect.dependabot.com/facebook/jest/pull/6931)) > - `[jest-circus]` Throw a descriptive error if the first argument supplied to a hook was not a function ([#6917](https://github-redirect.dependabot.com/facebook/jest/pull/6917)) and ([#6931](https://github-redirect.dependabot.com/facebook/jest/pull/6931)) > - `[expect]` Fix variadic custom asymmetric matchers ([#6898](https://github-redirect.dependabot.com/facebook/jest/pull/6898)) > - `[jest-cli]` Fix incorrect `testEnvironmentOptions` warning ([#6852](https://github-redirect.dependabot.com/facebook/jest/pull/6852)) > - `[jest-each]` Prevent done callback being supplied to describe ([#6843](https://github-redirect.dependabot.com/facebook/jest/pull/6843)) > - `[jest-config]` Better error message for a case when a preset module was found, but no `jest-preset.js` or `jest-preset.json` at the root ([#6863](https://github-redirect.dependabot.com/facebook/jest/pull/6863)) > - `[jest-haste-map]` Catch crawler error when unsuccessfully reading directories ([#6761](https://github-redirect.dependabot.com/facebook/jest/pull/6761)) > > ### Chore & Maintenance > > - `[docs]` Add custom toMatchSnapshot matcher docs ([#6837](https://github-redirect.dependabot.com/facebook/jest/pull/6837)) > - `[docs]` Improve the documentation regarding preset configuration ([#6864](https://github-redirect.dependabot.com/facebook/jest/issues/6864)) > - `[docs]` Clarify usage of `--projects` CLI option ([#6872](https://github-redirect.dependabot.com/facebook/jest/pull/6872)) > - `[docs]` Correct `failure-change` notification mode ([#6878](https://github-redirect.dependabot.com/facebook/jest/pull/6878)) > - `[scripts]` Don’t remove node_modules from subdirectories of presets in e2e tests ([#6948](https://github-redirect.dependabot.com/facebook/jest/pull/6948)) > - `[diff-sequences]` Double-check number of differences in tests ([#6953](https://github-redirect.dependabot.com/facebook/jest/pull/6953)) > > ## 23.5.0 > > ### Features > > - `[jest-cli]` Add package name to `NotifyReporter` notification ([#5898](https://github-redirect.dependabot.com/facebook/jest/pull/5898)) > - `[jest-runner]` print stack trace when `process.exit` is called from user code ([#6714](https://github-redirect.dependabot.com/facebook/jest/pull/6714)) > - `[jest-each]` introduces `%#` option to add index of the test to its title ([#6414](https://github-redirect.dependabot.com/facebook/jest/pull/6414)) > - `[pretty-format]` Support serializing `DocumentFragment` ([#6705](https://github-redirect.dependabot.com/facebook/jest/pull/6705)) > - `[jest-validate]` Add `recursive` and `recursiveBlacklist` options for deep config checks ([#6802](https://github-redirect.dependabot.com/facebook/jest/pull/6802)) > - `[jest-cli]` Check watch plugins for key conflicts ([#6697](https://github-redirect.dependabot.com/facebook/jest/pull/6697)) > > ### Fixes > > - `[jest-snapshot]` Mark snapshots as obsolete when moved to an inline snapshot ([#6773](https://github-redirect.dependabot.com/facebook/jest/pull/6773)) > - `[jest-config]` Fix `--coverage` with `--findRelatedTests` overwriting `collectCoverageFrom` options ([#6736](https://github-redirect.dependabot.com/facebook/jest/pull/6736)) > - `[jest-config]` Update default config for testURL from 'about:blank' to 'http://localhost' to address latest JSDOM security warning. ([#6792](https://github-redirect.dependabot.com/facebook/jest/pull/6792)) > - `[jest-cli]` Fix `testMatch` not working with negations ([#6648](https://github-redirect.dependabot.com/facebook/jest/pull/6648)) > - `[jest-cli]` Don't report promises as open handles ([#6716](https://github-redirect.dependabot.com/facebook/jest/pull/6716)) > - `[jest-each]` Add timeout support to parameterised tests ([#6660](https://github-redirect.dependabot.com/facebook/jest/pull/6660)) > - `[jest-cli]` Improve the message when running coverage while there are no files matching global threshold ([#6334](https://github-redirect.dependabot.com/facebook/jest/pull/6334)) > - `[jest-snapshot]` Correctly merge property matchers with the rest of the snapshot in `toMatchSnapshot`. ([#6528](https://github-redirect.dependabot.com/facebook/jest/pull/6528)) > ... (truncated)

Commits

- See full diff in [compare view](https://github.com/facebook/jest/commits/v23.6.0)

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Superseded by #38.