chore:(test) Add test scenario for calling directly by the investor

[peculiarity]

#311

[github-actions]

Coverage after merging gg/test-deposit-as-investor into main will be

92.46%

Coverage Report

File	Stmts	Branches	Funcs	Lines	Uncovered Lines
src
Auth.sol	100%	100%	100%	100%
CentrifugeRouter.sol	80.56%	38.64%	96.43%	93.52%	107, 107, 119, 119, 136, 152, 173, 173, 198, 198, 202, 202, 219, 219, 290, 294, 298, 303, 305, 31, 311, 316, 318, 32–33, 35–36, 41, 48, 48, 48, 76–77, 91
ERC7540Vault.sol	94.32%	75%	95.65%	98.11%	110, 138, 249–251, 263, 273, 415
Escrow.sol	75%	100%	66.67%	71.43%	29–30
InvestmentManager.sol	92.97%	86.36%	90.70%	96.70%	225, 234, 250, 276, 305, 323, 354, 358–359, 38–39, 41–42, 476, 507, 534, 568–569
PoolManager.sol	91.29%	91.35%	80.77%	92.99%	166, 168, 168, 168–169, 171, 227, 326, 326, 326–327, 327, 327–328, 351, 55–57, 59–60
Root.sol	94.74%	88.89%	92.86%	97.73%	123, 128, 37
src/admin
Guardian.sol	66.67%	50%	77.78%	63.64%	21–23, 27, 27, 61
src/factories
ERC7540VaultFactory.sol	100%	100%	100%	100%
TrancheFactory.sol	100%	100%	100%	100%
TransferProxyFactory.sol	100%	100%	100%	100%
src/gateway
GasService.sol	28.95%	25%	33.33%	29.17%	25–29, 31–32, 37, 37, 37–38, 38, 38–40, 45, 45, 45–48, 53–54
Gateway.sol	91.27%	84.52%	88.24%	95.36%	116, 152–153, 157, 220–222, 225, 231, 270, 287, 296, 45–48, 50–51, 66, 68
src/gateway/adapters/axelar
Adapter.sol	50%	80%	33.33%	37.50%	49–51, 53–54, 59, 59, 59–61, 91, 99
Forwarder.sol	80%	100%	75%	75%	38, 40–41
src/token
ERC20.sol	97.17%	94.12%	100%	98.33%	170, 69–70
RestrictionManager.sol	97.10%	95.45%	100%	97.22%	95–96
Tranche.sol	83.58%	66.67%	83.33%	93.55%	108–109, 124–125, 141, 149, 154, 98