implement the testPush$(),$ testPop$(),$ and testPeek$()$ test methods. In each method:i

a$.$ At the beginning of each method print the name of the method being tested then create a

String$-$bound instance of the LinkedStack. This is the stack that you$$ll be using for your

tests. Create this stack as follows $($but you can choose any object reference variable you

like:

LinkedStack testStack $=$ new LinkedStack$<>()$;

b$.$ Now add whatever statements are needed to ensure that the method being tested succeeds

$($remember to consider the normal case, all edge cases, and exceptions$).$

c$.$ Remember that you may have to import the EmptyCollectionExceptions class.

d$.$ Add JUnit assertions to verify the stack$$s state. Pseudocode suggestions are shown in the

table below.