TestFnCacheCancellation flakiness

[nklaassen]

Failure

Link(s) to logs

• https://console.cloud.google.com/cloud-build/builds;region=us-west1/1ddfaee7-0787-49ed-a3a6-0b236d5ba3f2?project=ci-account

Relevant snippet

=== CONT  TestFnCacheCancellation
    fncache_test.go:189: 
        	Error Trace:	fncache_test.go:189
        	Error:      	Received unexpected error:
        	            	context deadline exceeded
        	Test:       	TestFnCacheCancellation
{"caller":"utils/loadbalancer.go:272","component":"loadbalancer","dest":{"IP":"127.0.0.1","Port":34899,"Zone":""},"level":"debug","message":"forward","source":{"IP":"127.0.0.1","Port":43326,"Zone":""},"timestamp":"2022-07-16T01:01:59Z","trace.fields":{"listen":"127.0.0.1:0"}}
{"caller":"utils/loadbalancer.go:201","component":"loadbalancer","level":"debug","message":"created listening socket","timestamp":"2022-07-16T01:01:59Z","trace.fields":{"listen":"127.0.0.1:0"}}
--- FAIL: TestFnCacheCancellation (0.21s)

[ibeckermayer]

https://console.cloud.google.com/cloud-build/builds;region=us-west1/8047e444-5009-4919-bcd7-60052c84943b?project=ci-account