Randomly use Netty 3 plugin in some tests #20265
Merged
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When Netty 4 was introduced, it was not the default network
implementation. Some tests were constructed to randomly use Netty 4
instead of the default network implementation. When Netty 4 was made the
default implementation, these tests were not updated. Thus, these tests
are randomly choosing between the default network implementation (Netty
4) and Netty 4. This commit updates these tests to reverse the role of
Netty 3 and Netty 4 so that the randomization is choosing between Netty
3 and the default (again, now Netty 4).
Relates #19526, relates #19563