feat(core): Add `eventToSentryRequest` test for optional event properties (#4396)
feat(core): Add `eventToSentryRequest` test for optional event properties (#4396)

All properties in the `Event` interface are optional. This adds a test to make sure that `eventToSentryRequest`'s success doesn't depend on any of them being there.
getsentry/raven-js,getsentry/raven-js,getsentry/raven-js,getsentry/raven-js