[WIP] Add OSDe2e test harness to certman operator

[YiqinZhang]

Add the osde2e test harness and migrated tests from osde2e. This includes improvements to the tests to not depend on osde2e.

SDCICD-1326

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 48.52%. Comparing base (5ba5af5) to head (50abd49).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #277   +/-   ##
=======================================
  Coverage   48.52%   48.52%           
=======================================
  Files          28       28           
  Lines        2073     2073           
=======================================
  Hits         1006     1006           
  Misses        962      962           
  Partials      105      105           

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-ci[bot]]

@YiqinZhang: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/coverage	10c09d44166ff14133bd48a405f2980d9ae1435a	link	true	/test coverage
ci/prow/lint	10c09d44166ff14133bd48a405f2980d9ae1435a	link	true	/test lint
ci/prow/test	10c09d44166ff14133bd48a405f2980d9ae1435a	link	true	/test test
ci/prow/images	10c09d44166ff14133bd48a405f2980d9ae1435a	link	true	/test images

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