How should a custom user interface be provided when a user edits an Account in Lightning Experience?

A change set deployment from a sandbox to production fails due to a failure in a managed package unit test.
The developer spoke with the manager package owner and they determined it is a false positive and can be ignored. What should the developer do to successfully deploy?

How many Accounts will be inserted by the following block of code?

A developer has a single custom controller class that works with a Visualforce Wizard to support creating and editing multiple subjects. The wizard accepts data from user inputs across multiple Visualforce pages and from a parameter on the initial URL.
Which three statements are useful inside the unit test to effectively test the custom controller?
Choose 3 answers

A developer created a weather app that contains multiple Lightning web components.
One of the components, called Toggle, has a toggle for Fahrenheit or Celsius units. Another component, called Temperature, displays the current temperature in the unit selected in the Toggle component When a user toggles from Fahrenheit to Celsius or vice versa in the Toggle component, the information must be sent to the Temperature component so the temperature can be converted and displayed.
What is the recommend way to accomplish this?