chore(deps): update dependency jest to v25.4.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
jest (source)	devDependencies	minor	25.3.0 -> 25.4.0

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Release Notes

facebook/jest

v25.4.0

Compare Source

• [expect] Support async functions in toThrow (#​9817)
• [jest-console] Add code frame to console.error and console.warn (#​9741)
• [jest-runtime, jest-jasmine2, jest-circus] Experimental, limited ECMAScript Modules support (#​9772 & #​9842)

Fixes

• [expect] Restore support for passing functions to toHaveLength matcher (#​9796)
• [jest-circus] Throw on nested test definitions (#​9828)
• [jest-changed-files] --only-changed should include staged files (#​9799)
• [jest-each] each will throw an error when called with too many arguments (#​9818)
• [jest-runner] Don't print warning to stdout when using --json (#​9843)

Chore & Maintenance

• [*] Do not generate TypeScript declaration source maps (#​9822)
• [*] Transpile code for Node 8.3, not 8.0 (#​9827)

Performance

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[codecov]

Codecov Report

Merging #112 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master      #112   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files            2         2           
  Lines           45        45           
  Branches        11        11           
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  Hits            45        45