# iOS Unit Testing by Example:

**URL:** <https://forum.devtalk.com/t/ios-unit-testing-by-example/1166>\
**Category:** PragProg Customers\
**Tags:** book-ios-unit-testing-by-example, errata\
**Created:** [27 July 2020 06:21 UTC](https://forum.devtalk.com/t/ios-unit-testing-by-example/1166 "2020-07-27T06:21:39Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![jonreid](https://forum.devtalk.com/user_avatar/forum.devtalk.com/jonreid/32/910_2.png) [@jonreid](https://forum.devtalk.com/u/jonreid)\
**Post date:** [28 July 2020 15:40 UTC](https://forum.devtalk.com/t/ios-unit-testing-by-example/1166/3 "2020-07-28T15:40:02Z")

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Hi @charlesmuchene . That import isn’t necessary at first, but does come into play later in the chapter when the code adds UIColor.

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