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a-crash-course.md: capital letter in sentence fix #2499

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a-crash-course.md: capital letter in sentence fix #2499

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2 changes: 1 addition & 1 deletion docs/guide/essentials/a-crash-course.md
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Expand Up @@ -59,7 +59,7 @@ Next, we call `mount` and pass the component as the first argument - this is som

Finally, we use another global function common to many tests runner - Jest included - `expect`. The idea is we are asserting, or _expecting_, the actual output to match what we think it should be. In this case, we are finding an element with the selector `data-test="todo"` - in the DOM, this will look like `<div data-test="todo">...</div>`. We then call the `text` method to get the content, which we expect to be `'Learn Vue.js 3'`.

> Using `data-test` selectors is not required, but it can make your tests less brittle. classes and ids tend to change or move around as an application grows - by using `data-test`, it's clear to other developers which elements are used in tests, and should not be changed.
> Using `data-test` selectors is not required, but it can make your tests less brittle. Classes and ids tend to change or move around as an application grows - by using `data-test`, it's clear to other developers which elements are used in tests, and should not be changed.

## Making the test pass

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