validator/tests: unresolved import `parser::ast::Program`

[Prestgg1]

Error

error[E0432]: unresolved import `parser::ast::Program`
 --> crates/validator/src/tests/assignment.rs:4:17
  |
4 |     ast::{Expr, Program, Statement},
  |                 ^^^^^^^ no `Program` in `ast`
  |   = help: consider importing this struct through its public re-export instead: crate::Program

error[E0432]: unresolved import `parser::ast::Program`
 --> crates/validator/src/tests/variable_decl.rs:3:17
  |
3 |     ast::{Expr, Program, Statement},
  |                 ^^^^^^^ no `Program` in `ast`
  |   = help: consider importing this struct through its public re-export instead: crate::Program

Program was removed from parser::ast. The test files in the validator crate need to import it from the validator's own re-export (crate::Program) instead.

[Prestgg1]

Fixed in latest commit. Tests no longer import ; they use re-export instead.