refactor(experimental): set up GraphQL transaction tests

[buffalojoec]

This PR introduces valid transaction tests for GraphQL. It allows us to test the
transaction schema as well as the various instruction types against mocked
payloads.

Note: I fetched some recent transactions that contained each labeled program and
pasted the JSON response in the __setup__.ts file to use with Jest mocks.

[buffalojoec]

Current dependencies on/for this PR:

• master
  • PR refactor(experimental): revise accounts schema #1817
    • PR refactor(experimental): revise transactions schema (Part 1) #1818
      • PR refactor(experimental): use GraphQL lang for schema #1819
        • PR refactor(experimental): set up GraphQL transaction tests #1823 👈
          • PR refactor(experimental): set up GraphQL block tests #1829
            • PR refactor(experimental): normalize GraphQL loader args and cache keys #1830

This stack of pull requests is managed by Graphite.

[buffalojoec]

Merge activity

• Nov 11, 3:24 PM: @buffalojoec started a stack merge that includes this pull request via Graphite.
• Nov 11, 3:25 PM: Graphite rebased this pull request as part of a merge.
• Nov 11, 3:26 PM: @buffalojoec merged this pull request with Graphite.

[github-actions]

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