Github user kl0u commented on the issue:
https://github.com/apache/flink/pull/4059
Hi @tzulitai ! Thanks for testing also this.
The problem with the `CEP` failing test for `1.3` while passing for `1.2`
is that the semantics of the `followedBy()` changed between `1.2` and `1.3`, so
the expected results cannot be the same.
In `1.2`, `followedBy()` implied non-deterministic relaxed contiguity while
in `1.3` it is just relaxed contiguity. So for `1.3`, either change the
expected result to contain only one match with the `foo1` as middle element, or
change the pattern to have `followedByAny(middle)` (and in this case you have
to take the savepoint again).
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