DRY test scripts + improve documentation

[carlisia]

Closes #322.
Closes #292.

Thinking along the lines on how to refactor and organize for having tests for multiple vendors. This is only a start.

TODOs:

• refactor contour setup code into its own script (like istio.sh
• test if some sourcing of scripts might not be needed, if so remove
• DRY e2e and conformance GH workflows to point at test scripts (w/o doing the setup that is already in the scripts)
• clean up the conformance test scripts
• test testing instructions in the DEVELOPMENT.md
• test installation instructions in the README.md

Changes

/kind

Fixes #

Release Note

Docs

[knative-prow]

@carlisia: The label(s) kind/<kind> cannot be applied, because the repository doesn't have them.

In response to this:

Closes #322.
Closes #292.

Thinking along the lines on how to refactor and organize for having tests for multiple vendors. This is only a start.

Changes

/kind

Fixes #

Release Note

Docs

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[knative-prow]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[knative-prow]

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[carlisia]

/assign @dprotaso @nak3
c/c @evankanderson

Would love to get an idea if this is a good direction if anyone has a chance, thank you!

[codecov]

Codecov Report

Merging #323 (041440f) into main (a15b90b) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #323   +/-   ##
=======================================
  Coverage   12.91%   12.91%           
=======================================
  Files          20       20           
  Lines        2958     2958           
=======================================
  Hits          382      382           
  Misses       2554     2554           
  Partials       22       22           

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[carlisia]

Closing this for now.