Add tests for CloneDiscoveryConfig and NormalizeDiscoveryConfig: - CloneDiscoveryConfig: 7 tests verifying deep copy, slice independence - NormalizeDiscoveryConfig: 16 tests covering defaults, validation, sanitization, edge cases Total: 23 test cases for discovery config handling.
Test coverage for IsPasswordHashed, IsValidDiscoveryEnvironment, and splitAndTrim functions. 63 test cases covering bcrypt hash validation, discovery environment validation, and comma-separated string parsing.