Test for formatted output

deprecated.js:62 
 Deprecation notice: The array.clear is a deprecated Ember native array extension. Use native array methods or a TrackedArray instead. [deprecated since Discourse 3.6.0.beta1-dev] [deprecation id: discourse.native-array-extensions.clear]
a	@	deprecated.js:62
u	@	array-shim.js:32
Array.<computed>	@	array-shim.js:65
_findSimilar	@	composer-messages.gjs:236
await in _findSimilar		
(anonymous)	@	composer-body.js:56
setTimeout		
r	@	later.js:12
keyUp	@	composer-body.js:52
_trigger	@	ember-events.js:137
o	@	ember-events.js:200