Initial Kafka channel reconciler tests

[aliok]

Fixes #

Proposed Changes

• Pushing for early feedback
• Check individual commits

Release Note

Docs

[codecov]

Codecov Report

Merging #1447 (5b1cff5) into main (f388998) will increase coverage by 1.94%.
The diff coverage is 50.00%.

@@             Coverage Diff              @@
##               main    #1447      +/-   ##
============================================
+ Coverage     71.51%   73.46%   +1.94%     
+ Complexity      585      574      -11     
============================================
  Files           100      100              
  Lines          3964     3942      -22     
  Branches        166      160       -6     
============================================
+ Hits           2835     2896      +61     
+ Misses          912      808     -104     
- Partials        217      238      +21     

Flag	Coverage Δ
java-unittests	82.27% <ø> (-0.23%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
control-plane/pkg/reconciler/channel/channel.go	30.07% <0.00%> (+30.07%)	⬆️
control-plane/pkg/reconciler/channel/controller.go	86.00% <100.00%> (+0.28%)	⬆️
...dispatcher/impl/consumer/BaseConsumerVerticle.java	86.20% <0.00%> (-6.90%)	⬇️
...a/broker/dispatcher/impl/RecordDispatcherImpl.java	81.92% <0.00%> (-0.64%)	⬇️
...spatcher/impl/consumer/UnorderedOffsetManager.java
...dispatcher/impl/consumer/OrderedOffsetManager.java
...broker/dispatcher/impl/consumer/OffsetManager.java	100.00% <0.00%> (ø)
control-plane/pkg/prober/cache.go	100.00% <0.00%> (ø)
...r/dispatcher/main/ConsumerVerticleFactoryImpl.java	88.07% <0.00%> (+1.58%)	⬆️

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[aliok]

This PR contains a single test, will add more later

[aliok]

@pierDipi
I removed the WIP status. I want to merge this PR and add more tests later (I will NOT do a separate PR for each test case, don't worry 😄 ).

[knative-metrics-robot]

The following is the coverage report on the affected files.
Say /test pull-knative-sandbox-eventing-kafka-broker-go-coverage to re-run this coverage report

File	Old Coverage	New Coverage	Delta
control-plane/pkg/reconciler/channel/channel.go	0.0%	39.8%	39.8

[knative-prow-robot]

@aliok: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-knative-sandbox-eventing-kafka-broker-go-coverage	5b1cff5	link	false	/test pull-knative-sandbox-eventing-kafka-broker-go-coverage

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[pierDipi]

/lgtm

[knative-prow-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aliok, pierDipi

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