unit tests

[yesyash]

description

• write a unit test for all the components mentioned in this document

related tickets

• Write a Unit Test for "Avatar" component #119
• Write a Unit Test for "Avatar Group" #120
• Write a Unit Test for "Button" component #121
• Write a Unit Test for "BackButton" #124
• Write a Unit Test for "InputErrorMessage" component #125
• Write a Unit Test for "PageError" component #127

[sunilk429]

Test coverage report of all the components and utils covered