Create src/components/challenge component test

[Samantha-KY]

Create test for the challenge component:

components
|
|
   _ _ challenge
       |
       |
        _ _ partials
       |     |
       |     |
       |      _ _ Button.tsx
       |      _ _ FormTeam.tsx
       |      _ _ InvitationButton.tsx
       |      _ _ Learning.tsx
       |      _ _ RelatedLearning.tsx  -- this was deleted on dev
       |      _ _ ReplyToInvitation.tsx
       |      _ _ Reward.tsx
         _ _ Badges.tsx
         _ _ Challenge.tsx
         _ _ ConfirmTeamInvitation.tsx
         _ _ Overview.tsx
         _ _ RelatedContent.tsx
       

• Button.tsx
• FormTeam.tsx
• InvitationButton.tsx
• Learning.tsx
• RelatedLearning.tsx -- this was deleted on dev
• ReplyToInvitation.tsx
• Reward.tsx
• Badges.tsx
• Challenge.tsx
• ConfirmTeamInvitation.tsx
• Overview.tsx
• RelatedContent.tsx