Update dependency react-testing-library to v7

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
react-testing-library	devDependencies	major	6.1.2 -> 7.0.0	source

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Release Notes

testing-library/react-testing-library

v7.0.0

Compare Source

Features

• update to the latest dom-testing-library@4.0.0 (#​365) (d232c00)

BREAKING CHANGES

• This upgrades to the latest dom-testing-library which has a few breaking changes: https://github.com/testing-library/dom-testing-library/releases/tag/v4.0.0

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[coveralls]

Pull Request Test Coverage Report for Build 1329

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 1327:	0.0%
Covered Lines:	77
Relevant Lines:	77

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💛 - Coveralls