Function waitFor

waitFor<T>(resolver, options?): Promise<T>
Waits for a resolver to return a value. Continues checking until resolver does not throw an error.
Type Parameters
- T
Parameters
- resolver: (() => T | Promise<T>)
  The condition/resolver to be fulfilled. The resolver needs to throw an error to communicate that the value is not yet ready.
  - - (): T | Promise<T>
    - Returns T | Promise<T>
- Optional options: WaitOptions
Returns Promise<T>
A promise that transports the value of the resolver.
Throws
An error if the condition is not fulfilled within the specified timeout.

Example
```
import { waitFor } from "test-utils/waitFor";

const result = await waitFor(() => {
  const value = getValue();
  if (value === undefined) {
     throw new Error("Value not ready");
  }
  return value;
});
assert.equal(result, "myValue");
```
- Defined in waitFor.ts:44

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