Fix some of the NFR tests to reduce error logs and pipeline failures #15327

Job	Run time
Checks and variables	1m 51s
Unit Tests	2m 48s
NJS Unit Tests	20s
CEL Tests	55s
Build Binary	2m 49s
Build Plus images / build	1m 25s
Build OSS images (ngf, linux/arm64, linux/amd64) / build	1m 30s
Build OSS images (nginx, linux/arm64, linux/amd64) / build	1m 25s
Functional tests (nginx, v1.34.0) / Run Tests	19m 13s
Functional tests (nginx, v1.25.16) / Run Tests	20m 13s
Functional tests (plus, v1.34.0) / Run Tests	17m 24s
Functional tests (plus, v1.25.16) / Run Tests	16m 17s
Conformance tests (nginx, v1.25.16, true) / Run Tests	10m 35s
Conformance tests (plus, v1.25.16, false) / Run Tests	10m 39s
Conformance tests (plus, v1.34.0, false) / Run Tests	11m 2s
Conformance tests (nginx, v1.34.0, true) / Run Tests	9m 50s
Conformance tests (plus, v1.34.0, true) / Run Tests	11m 7s
Conformance tests (nginx, v1.25.16, false) / Run Tests	10m 33s
Conformance tests (nginx, v1.34.0, false) / Run Tests	9m 17s
Conformance tests (plus, v1.25.16, true) / Run Tests	11m 38s
Helm Tests	0s
Package and Publish Helm Chart	-1s
	2h 50m 50s

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