[Bug]: Testing library does not re-invoke correctly when updates occur in an active invocation

[anthonyting]

Expected Behavior

Example:

• Invocation 1 -> Checkpoint start callback
• Testing library completes callback
• Invocation 1 -> Invocation completes with no further checkpoints, so the update isn't received
• Testing library re-invokes and execution completes in Invocation 2

Actual Behavior

Example:

• Invocation 1 -> Checkpoint start callback
• Testing library completes callback
• Invocation 1 -> Invocation completes with no further checkpoints, so the update isn't received
• Execution hangs and test times out

Steps to Reproduce

wait-for-callback-multiple-invocations test with skipTime disabled

SDK Version

1.0.0

Node.js Version

22.x

Is this a regression?

No

Last Working Version

No response

Additional Context

No response