add jest tests for CommonKit components

src/components/CommonKit/Button/StyledAuthButton.spec.tsx

src/components/CommonKit/Button/StyledButton.spec.tsx

src/components/CommonKit/Button/StyledButton.tsx

src/components/CommonKit/Button/StyledButtonValid.spec.tsx

src/components/CommonKit/Button/StyledButtonValid.tsx

...omponents/CommonKit/Button/StyledClearGreyButton.spec.tsx

src/components/CommonKit/Button/StyledStopButton.spec.tsx

src/components/CommonKit/Button/StyledWhiteButton.spec.tsx

...onKit/Button/__snapshots__/StyledAuthButton.spec.tsx.snap

src/components/CommonKit/Card/StyledBorderCard.spec.tsx

src/components/CommonKit/Card/StyledCard.spec.tsx

src/components/CommonKit/Card/StyledChallengeCard.spec.tsx

src/components/CommonKit/Card/StyledEcogestureCard.spec.tsx

src/components/CommonKit/Card/StyledIconCard.spec.tsx

...mmonKit/Card/__snapshots__/StyledBorderCard.spec.tsx.snap

...nts/CommonKit/Card/__snapshots__/StyledCard.spec.tsx.snap

...nKit/Card/__snapshots__/StyledChallengeCard.spec.tsx.snap

...Kit/Card/__snapshots__/StyledEcogestureCard.spec.tsx.snap

...CommonKit/Card/__snapshots__/StyledIconCard.spec.tsx.snap

...monKit/ExpansionPanel/StyledSampleExpansionPanel.spec.tsx