CLEANUP/MINOR: tests: tests are no longer compatible with -race flag #972

Job	Run time
generate-specification	1m 7s
generate-models	1m 31s
HAProxy check commit message	0s
golangci-lint	1m 5s
lint-spec	12s
go mod tidy	8s
license-check	29s
Build	22s
Test equal	1m 16s
Tests	45s
e2e on HAProxy (2.2)	49s
e2e on HAProxy (2.6)	51s
e2e on HAProxy (2.4)	52s
e2e on HAProxy (2.3)	46s
e2e on HAProxy (2.5)	49s
e2e on HAProxy (2.8)	54s
e2e on HAProxy (2.1)	52s
e2e on HAProxy (2.7)	47s
	13m 35s

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