update tests and utils to use boolean pointers

[kim-tsao]

What does this PR do?:

• Updates tests and utils to use boolean pointers
• Updates the parser tests to v2.1.0 and expands coverage to include all boolean fields

Which issue(s) this PR fixes:

devfile/api#545

PR acceptance criteria:

Testing and documentation do not need to be complete in order for this PR to be approved. We just need to ensure tracking issues are opened.

• Open new test/doc issues under the devfile/api repo
• Check each criteria if:
• There is a separate tracking issue. Add the issue link under the criteria
  or
• test/doc updates are made as part of this PR
• If unchecked, explain why it's not needed

• [X ] Unit/Functional tests

• QE Integration test

N/A

• Documentation

N/A

• Client Impact

Client impact discussion in issue devfile/api#545

How to test changes / Special notes to the reviewer:

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kim-tsao, yangcao77

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• OWNERS [kim-tsao,yangcao77]

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