error[E10005]: unable to generate test
   ┌─ tests/move_check/unit_test/valid_test_module.move:22:7
   │
22 │     #[test(_a=0x1, _b=@0x2)]
   │       ^^^^^^^^^^^^^^^^^^^^^ Missing test parameter assignment in test. Expected a parameter to be assigned in this attribute
23 │     public fun b(_a: signer, _b: signer) { }
   │                - -- Corresponding to this parameter
   │                │  
   │                Error found in this test

error[E10003]: invalid attribute value
   ┌─ tests/move_check/unit_test/valid_test_module.move:22:15
   │
22 │     #[test(_a=0x1, _b=@0x2)]
   │            ---^^^
   │            │  │
   │            │  Unsupported attribute value
   │            Assigned in this attribute