[code-reflection] RFR: Adjusted tests to use execution of a method and implementation of the execution model cache [v2]

[Adam Sotona]

> Adjusted tests to use execution of a method and implementation of the execution model cache.

Adam Sotona has updated the pull request incrementally with one additional commit since the last revision:

  recommended changes applied

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Changes:
  - all: https://git.openjdk.org/babylon/pull/331/files
  - new: https://git.openjdk.org/babylon/pull/331/files/003b8ad3..5a05ed12

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=babylon&pr=331&range=01
 - incr: https://webrevs.openjdk.org/?repo=babylon&pr=331&range=00-01

  Stats: 30 lines in 1 file changed: 20 ins; 0 del; 10 mod
  Patch: https://git.openjdk.org/babylon/pull/331.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/331/head:pull/331

PR: https://git.openjdk.org/babylon/pull/331