test: rename dirs/files to make integration tests clear

[ahmetb]

/kind cleanup

Right now we have paths like:

• test/
  • ./krew.go ← unclear what it contains
  • ./krew_test.go ← unclear what it contains

which don't indicate that they're integration tests. I'd prefer we have something like this where we have a clear separation:

• test/
  • testutil.go
  • integration_tests/
    • install_test.go
    • info_test.go
    • uninstall_test.go
    • version_test.go

so that we can more clearly do:

go test ./test/integration_tests/...

we can also directly call the root folder ./integration_tests and put all the files there.

[corneliusweig]

👍 from me. I'd prefer if the root test folder be called integration_test, so it is clear to everybody what's in there. And I would prefer a nested structure, though flat is also fine.

[corneliusweig]

/reopen
Because we still need to split the test file into smaller bits.

[k8s-ci-robot]

@corneliusweig: Reopened this issue.

In response to this:

/reopen
Because we still need to split the test file into smaller bits.

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