test: exercise FDv2 and FDv1 fallback via the v3 contract tests#315

kinyoklion merged 2 commits into

mainlaunchdarkly/flutter-client-sdk:mainfrom

rlamb/sdk-2189/fdv2-contract-testslaunchdarkly/flutter-client-sdk:rlamb/sdk-2189/fdv2-contract-testsCopy head branch name to clipboard