Add some async API's to the cheatsheet (testing-library#139)

* sync cheatsheet with react-testing-library's one * add link to the API document * add async utilities document * fix description * chenge description for waitForElement * remove dots * add 'the'

Author: tam315

docs/dom-testing-library/cheatsheet.md

@@ -77,12 +77,19 @@ See [Which query should I use?](guide-which-query.md)
 
 ## Async
 
-See [Async API](api-async.md)
-
-- **wait** retry function within until it stops throwing or times out
-- **waitForElement** retry function or array of functions and return the result
-- `findBy` and `findAllBy` queries are async and retry until either a timeout or
- if the query returns successfully; they wrap `waitForElement`
+See [Async API](dom-testing-library/api-async.md)
+
+- **wait** (Promise) retry the function within until it stops throwing or times
+ out
+- **waitForElement** (Promise) retry the function until it returns an element or
+ an array of elements
+ - `findBy` and `findAllBy` queries are async and retry until either a timeout
+ or if the query returns successfully; they wrap `waitForElement`
+- **waitForDomChange** (Promise) retry the function each time the DOM is changed
+- **waitForElementToBeRemoved** (Promise) retry the function until it no longer
+ returns a DOM node
+
+> Remember to `await` or `.then()` the result of async functions in your tests!
 
 ## Events
 

docs/react-testing-library/cheatsheet.md

@@ -108,11 +108,15 @@ See [Which query should I use?](guide-which-query.md)
 
 See [dom-testing-library Async API](dom-testing-library/api-async.md)
 
-- **wait** (Promise) retry function within until it stops throwing or times out
-- **waitForElement** (Promise) retry function or array of functions and return
- the result
-- `findBy` and `findAllBy` queries are async and retry until either a timeout or
- if the query returns successfully; they wrap `waitForElement`.
+- **wait** (Promise) retry the function within until it stops throwing or times
+ out
+- **waitForElement** (Promise) retry the function until it returns an element or
+ an array of elements
+ - `findBy` and `findAllBy` queries are async and retry until either a timeout
+ or if the query returns successfully; they wrap `waitForElement`
+- **waitForDomChange** (Promise) retry the function each time the DOM is changed
+- **waitForElementToBeRemoved** (Promise) retry the function until it no longer
+ returns a DOM node
 
 > Remember to `await` or `.then()` the result of async functions in your tests!