delete mode 100644 test/cases/const_slice_child.zig
 delete mode 100644 test/cases/switch_prong_err_enum.zig
 delete mode 100644 test/cases/switch_prong_implicit_cast.zig
 create mode 100644 test/cases3/const_slice_child.zig
 create mode 100644 test/cases3/switch_prong_err_enum.zig
 create mode 100644 test/cases3/switch_prong_implicit_cast.zig