Update 03-assertions.md

Adding text in assertion planning in order to inform about ava assertion not stopping even when they fail
linked to issue 
(document that ava assertions don't throw avajs#2624)

docs/03-assertions.md

@@ -35,7 +35,7 @@ Assertion plans ensure tests only pass when a specific number of assertions have
 
 If you do not specify an assertion plan, your test will still fail if no assertions are executed. Set the `failWithoutAssertions` option to `false` in AVA's [`package.json` configuration](./06-configuration.md) to disable this behavior.
 
-Note that, unlike [`tap`](https://www.npmjs.com/package/tap) and [`tape`](https://www.npmjs.com/package/tape), AVA does *not* automatically end a test when the planned assertion count is reached.
+Note that, unlike [`tap`](https://www.npmjs.com/package/tap) and [`tape`](https://www.npmjs.com/package/tape), AVA does *not* automatically end a test when the planned assertion count is reached. Note that ava assertions *don't* stop the test when they fail for better analysis of your code
 
 These examples will result in a passed test: