main/py3-cryptography: fix tests

Previous check function wasn't running any tests
7 jobs for !14394 with py3-cryptography in 28 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
failed #247354
docker-alpine x86_64 allowed to fail
lint

00:00:10

 
  Build
failed #247359
docker-alpine ci-build aarch64
build-aarch64

00:00:07

failed #247360
docker-alpine ci-build armv7
build-armv7

00:00:10

failed #247358
docker-alpine ci-build ppc64le
build-ppc64le

00:00:17

failed #247357
docker-alpine ci-build s390x
build-s390x

00:00:08

failed #247356
docker-alpine ci-build x86
build-x86

00:00:07

failed #247355
docker-alpine ci-build x86_64
build-x86_64

00:00:08

 
Name Stage Failure
failed
build-ppc64le Build
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build-armv7 Build
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lint Lint
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build-aarch64 Build
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failed
build-x86_64 Build
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build-s390x Build
No job log
failed
build-x86 Build
No job log