[BEAM-1249] Flatten with heterongeneous coders does not have a RunnableOnService test

• Type: Bug
• Status: Resolved
• Priority: P3
• Resolution: Fixed
• Fix Version/s: 0.5.0
• Component/s: sdk-java-core
• Labels: Done
• Assignee: Thomas Groh
• Reporter: Kenneth Knowles
• Created: 06/Jan/17 18:39
• Updated: 06/Oct/20 21:53
• Resolved: 06/Jan/17 18:40

Description

Because there is no such test, we do not know which runners support this. It is perfectly acceptable in the model as long as the types line up (including nullability) though in general might incur a needless serde so also reasonable to just not support it.