fix flaky ActivationClientProxy unit test

[bdoyle0182]

Description

I don't believe the inAnyOrder actually works as expected. This should fix the problematic test.

Related issue and scope

• I opened an issue to propose and discuss this change (#????)

My changes affect the following components

• API
• Controller
• Message Bus (e.g., Kafka)
• Loadbalancer
• Scheduler
• Invoker
• Intrinsic actions (e.g., sequences, conductors)
• Data stores (e.g., CouchDB)
• Tests
• Deployment
• CLI
• General tooling
• Documentation

Types of changes

• Bug fix (generally a non-breaking change which closes an issue).
• Enhancement or new feature (adds new functionality).
• Breaking change (a bug fix or enhancement which changes existing behavior).

Checklist:

• I signed an Apache CLA.
• I reviewed the style guides and followed the recommendations (Travis CI will check :).
• I added tests to cover my changes.
• My changes require further changes to the documentation.
• I updated the documentation where necessary.

[codecov-commenter]

Codecov Report

Merging #5382 (e725a00) into master (3ea756f) will increase coverage by 38.52%.
The diff coverage is n/a.

❗ Current head e725a00 differs from pull request most recent head 4f84445. Consider uploading reports for the commit 4f84445 to get more accurate results

@@             Coverage Diff             @@
##           master    #5382       +/-   ##
===========================================
+ Coverage   38.23%   76.75%   +38.52%     
===========================================
  Files         240      240               
  Lines       14569    14569               
  Branches      647      647               
===========================================
+ Hits         5570    11183     +5613     
+ Misses       8999     3386     -5613     

Impacted Files	Coverage Δ
.../apache/openwhisk/core/controller/Controller.scala	83.96% <0.00%> (+0.76%)	⬆️
.../org/apache/openwhisk/core/entity/EntityPath.scala	100.00% <0.00%> (+1.88%)	⬆️
...apache/openwhisk/core/entitlement/Collection.scala	88.37% <0.00%> (+2.32%)	⬆️
...la/org/apache/openwhisk/core/invoker/Invoker.scala	72.15% <0.00%> (+2.53%)	⬆️
.../org/apache/openwhisk/http/PoolingRestClient.scala	90.90% <0.00%> (+3.03%)	⬆️
...hisk/core/controller/actions/SequenceActions.scala	91.86% <0.00%> (+3.25%)	⬆️
...la/org/apache/openwhisk/common/TransactionId.scala	94.38% <0.00%> (+3.37%)	⬆️
...tainerpool/docker/DockerClientWithFileAccess.scala	96.00% <0.00%> (+4.00%)	⬆️
...sk/core/containerpool/docker/DockerContainer.scala	98.79% <0.00%> (+4.81%)	⬆️
...rg/apache/openwhisk/core/controller/Triggers.scala	94.48% <0.00%> (+4.82%)	⬆️
... and 155 more

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more

[dgrove-oss]

I'm not a Scala expert, but the test passes so it must be fine :)

[bdoyle0182]

yea this one was an akka nuance. it still has the same expectations so semantic coverage is unchanged

[style95]

👍