Add LiteSVM Tests for Favorites Anchor program (#474)

* feat: add LiteSVM tests for favorites anchor program

- Implement tests for writing, updating, and validating favorite data on the blockchain.
- Ensure unauthorized transactions are rejected correctly.
- Utilize LiteSVM for transaction simulation and account state verification.

* chore: update dependencies in anchor package.json and pnpm-lock.yaml

- Upgrade @solana/web3.js from ^1.95.2 to ^1.98.4.
- Add litesvm dependency with version ^0.4.0.
- Update lockfile to reflect changes in dependencies and their versions.

* chore: update TypeScript configuration for anchor package

- Change target and module to es2020 and nodenext respectively.
- Update lib to include es2020 for improved compatibility.

* refactor: improve favorites test structure and error handling

- Update test descriptions for clarity.
- Replace deprecated error handling with assertions for unauthorized signer checks.
- Simplify transaction execution and data validation for favorites.
- Ensure consistent usage of BN for big number handling.

* chore: rename the filename for consistency and update test script

* chore: remove deprecated bankrun and related stuff

- Delete @solana-developers/helpers and related references from package.json and pnpm-lock.yaml.
- Remove favorites-bankrun.test.ts and system-errors.ts files as they are no longer needed.
- Clean up the project structure by eliminating obsolete code and dependencies.

Author: sol-warrior

basics/favorites/anchor/Anchor.toml

@@ -15,4 +15,4 @@ cluster = "Localnet"
 wallet = "~/.config/solana/id.json"
 
 [scripts]
-test = "pnpm ts-mocha -p ./tsconfig.json -t 1000000 tests/**/*.test.ts"
+test = "pnpm ts-mocha -p ./tsconfig.json -t 1000000 tests/**/*.ts"

basics/favorites/anchor/package.json

@@ -6,19 +6,17 @@
 	},
 	"dependencies": {
 		"@coral-xyz/anchor": "0.32.1",
-		"@solana-developers/helpers": "^2.0.0",
-		"@solana/web3.js": "^1.95.2"
+		"@solana/web3.js": "^1.98.4",
+		"litesvm": "^0.4.0"
 	},
 	"license": "MIT",
 	"devDependencies": {
 		"@types/bn.js": "^5.1.0",
 		"@types/chai": "^4.3.0",
 		"@types/mocha": "^9.0.0",
-		"anchor-bankrun": "^0.4.0",
 		"chai": "^4.3.4",
 		"mocha": "^9.0.3",
 		"prettier": "^2.6.2",
-		"solana-bankrun": "^0.3.0",
 		"ts-mocha": "^10.0.0",
 		"typescript": "^4.3.5"
 	}