test(test-tooling): fix circular deps, sample-cordapp const enum export

[petermetz]

1. This issue started out from the SampleCordappEnum problem where in
   some test cases it was being undefined instead of the actual string values
   that are defined for it's properties.
2. Suggestions on the internet said that if your enum is undefined after
   importing it then it's most likely a circular dependency problem.
3. So on that clue, I added a script that checks the entire project for
   Typescript circular dependencies and fixed one that was present in the
   test-tooling package (there hundreds more in other packages...)
4. Ultimately though this did not help with the original issue which was
   solved by simply removing the "const" modifier from the enum's declaration.
   This way the compiled .js sources retain the actual values defined for the
   enum instead of the compiler completely eliminating them.

Signed-off-by: Peter Somogyvari [email protected]

Pull Request Requirements

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Character Limit

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A Must Read for Beginners
For rebasing and squashing, here's a must read guide for beginners.

[jagpreetsinghsasan]

LGTM