This reverts commit 65fd0f100b5c8d8315c4d65043f3cd4435d9868e.
Reasoning
testMode flag was added as a breaking change in the auth constructor (https://github.com/smartcar/ios-sdk/pull/38). However, testMode should have been added in a way that was backwards compatible with the development flag.
This reverts commit 65fd0f100b5c8d8315c4d65043f3cd4435d9868e.
Reasoning
development
flag.