Public bug reported:

[impact]

the 'dieharder' test eats entropy from haveged for hours, and hours, and
hours. On armhf it takes over 12 hours and fails the test because it
times out. There is no point to running this test to verify haveged is
able to provide entropy.

Instead just check entropy_avail to make sure haveged is providing some
entropy.

[test case]

run haveged autopkgtest, especially on armhf, e.g.:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-groovy/groovy/armhf/h/haveged/20200901_232740_e112e@/log.gz

[regression potential]

this just tests a different way, so any regression would likely involve
incorrectly failed (or passed) autopkgtest.

[scope]

this is needed on b/f/g; there are no autopkgtests for haveged on x.

I don't think debian has the same test hardware, so they likely only
test on arm64, which takes a few hours, but passes, so this is only
required in debian to reduce ubuntu delta.

** Affects: haveged (Ubuntu)
     Importance: Low
     Assignee: Dan Streetman (ddstreet)
         Status: In Progress

** Affects: haveged (Ubuntu Bionic)
     Importance: Low
     Assignee: Dan Streetman (ddstreet)
         Status: In Progress

** Affects: haveged (Ubuntu Focal)
     Importance: Low
     Assignee: Dan Streetman (ddstreet)
         Status: In Progress

** Affects: haveged (Ubuntu Groovy)
     Importance: Low
     Assignee: Dan Streetman (ddstreet)
         Status: In Progress

** Also affects: haveged (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: haveged (Ubuntu Groovy)
   Importance: Undecided
       Status: New

** Also affects: haveged (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Changed in: haveged (Ubuntu Bionic)
       Status: New => In Progress

** Changed in: haveged (Ubuntu Focal)
       Status: New => In Progress

** Changed in: haveged (Ubuntu Groovy)
       Status: New => In Progress

** Changed in: haveged (Ubuntu Focal)
   Importance: Undecided => Low

** Changed in: haveged (Ubuntu Bionic)
   Importance: Undecided => Low

** Changed in: haveged (Ubuntu Groovy)
   Importance: Undecided => Low

** Changed in: haveged (Ubuntu Groovy)
     Assignee: (unassigned) => Dan Streetman (ddstreet)

** Changed in: haveged (Ubuntu Bionic)
     Assignee: (unassigned) => Dan Streetman (ddstreet)

** Changed in: haveged (Ubuntu Focal)
     Assignee: (unassigned) => Dan Streetman (ddstreet)

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https://bugs.launchpad.net/bugs/1894290

Title:
  'dieharder' autopkgtest is a pointless multi-hour test

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