Increase timeout for integration tests
Increase timeout for integration tests

2 seconds is a bit too short for tests which depend on an external API.
On CI systems, tests can be slow and connection latency highly variable.
Try 6 seconds to start.

Signed-off-by: Kevin Locke <ffb4761cba839470133bee36aeb139f58d7dbaa9@kevinlocke.name>

kevinoid/swagger-spec-validator,kevinoid/swagger-spec-validator,kevinoid/swagger-spec-validator