Add missing test files

client/package-lock.json

client/package.json

.../pages/presentationEditor/PresentationEditorPage.test.tsx

...resentationEditor/components/CompetitionSettings.test.tsx

...ages/presentationEditor/components/SettingsPanel.test.tsx

client/src/pages/views/AudienceViewPage.test.tsx

client/src/pages/views/JudgeViewPage.test.tsx

client/src/pages/views/ParticipantViewPage.test.tsx

client/src/pages/views/ViewSelectPage.test.tsx

client/src/setupTests.ts