added support for testing cpu example in e2e tests

[nirrozenbaum]

fix #435

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[nirrozenbaum]

/hold
I want to test it more before unholding.

[nirrozenbaum]

/unhold

[nirrozenbaum]

cc @danehans

[danehans]

I ran e2e without setting HF_TOKEN and I get:

  STEP: Checking if deployment default/my-pool status is: Available @ 03/13/25 16:40:43.353
panic: test timed out after 10m0s
	running tests:
		TestAPIs (10m0s)

goroutine 2334 [running]:
testing.(*M).startAlarm.func1()
	/usr/local/go/src/testing/testing.go:2484 +0x394
created by time.goFunc
	/usr/local/go/src/time/sleep.go:215 +0x2d

e2e needs to perform cleanup even when the token is not set or a timeout occurs.

Here is a failure when HF_TOKEN is not set using #488

[FAILED] in [BeforeSuite] - /home/solo-system-dhansen/gateway-api-inference-extension/test/e2e/epp/e2e_suite_test.go:220 @ 03/13/25 16:55:46.708
[BeforeSuite] [FAILED] [16.904 seconds]
[BeforeSuite]
/home/solo-system-dhansen/gateway-api-inference-extension/test/e2e/epp/e2e_suite_test.go:101

  [FAILED] HF_TOKEN is not set
  Expected
      <string>:
  not to be empty
  In [BeforeSuite] at: /home/solo-system-dhansen/gateway-api-inference-extension/test/e2e/epp/e2e_suite_test.go:220 @ 03/13/25 16:55:46.708
------------------------------

e2e should also be updated to first check the HF_TOKEN env var so it can fail fast.

[ahg-g]

Did you try to run it on GPUs? this didn't successfully run for me, the secret didn't get created.

[nirrozenbaum]

Did you try to run it on GPUs? this didn't successfully run for me, the secret didn't get created.

@ahg-g I had a typo :/.
wrote in upper case instead lowercase.
it should work for you now.

[ahg-g]

/lgtm
/approve

Tried it and works fine.

[ahg-g]

/hold

[ahg-g]

/approve cancel

Sorry, I missed @danehans comment above

[ahg-g]

@nirrozenbaum would you like to address @danehans comment above?

[nirrozenbaum]

@nirrozenbaum would you like to address @danehans comment above?

@ahg-g yes, of course.
can we do it in a follow up PR? this was also the case before this PR so technically this PR changed nothing in this aspect.

[ahg-g]

/hold cancel

[ahg-g]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahg-g, nirrozenbaum

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