chore(tests): update tests to use sendAndConfirmTransaction method (#3548)
This pull request updates the function names and constants used in the deploy-modular-core.test.ts file. Specific changes include:
- Replacing `ADDRESS_ZERO` with `ZERO_ADDRESS` to align with existing codebase conventions.
- Changing `sendTransaction` to `sendAndConfirmTransaction` to include transaction confirmation within the test cases.
### TL;DR
Updated function names and constants in the deploy-modular-core.test.ts for better alignment with the codebase.
### What changed?
- Replaced `ADDRESS_ZERO` with `ZERO_ADDRESS`.
- Replaced `sendTransaction` with `sendAndConfirmTransaction`.
### How to test?
Run the updated tests in deploy-modular-core.test.ts to ensure all changes work as expected.
### Why make this change?
These changes improve the code readability and follow naming conventions already established in the codebase. By including transaction confirmation, the tests are more robust and reliable.
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