Problem:    Put in Visual mode not fully tested.
Solution:   Add a few more test cases. (closes #9708)

Problem:    Test fails where lines are skipped.
Solution:   Only give an error when not skipping commands.

Problem:    Vim9: cannot change type of list after making a slice.
Solution:   Adjust the declared member type. (closes #9696)

Problem:    No error for using :vim9script in a :def function.
Solution:   Give an error when compiling.

Problem:    Vim9: changing script variable type not caught at compile time.
Solution:   Set the declared type.

Problem:    Vim9: constant list and dict get a declaration type other than
            "any".
Solution:   A constant list and dict have a declared member type "any".
            (closes #9701)

Problem:    Vim9: crash when using a partial in the wrong context.
Solution:   Don't use an NULL outer pointer. (closes #9706)

Problem:    Vim9: cannot list autoload function.
Solution:   Don't give an error for using # when listing a function.
            (closes #9703)

Problem:    A few more messages should not be translated.
Solution:   Remove _().

Problem:    No test for fixed perl filetype check.
Solution:   Add a test. Sort test functions.