Add tests for alignment field in UnionField and StructFIeld
Add tests for alignment field in UnionField and StructFIeld

zig-lang/zig,raulgrell/zig,andrewrk/zig,raulgrell/zig,zig-lang/zig,andrewrk/zig,zig-lang/zig,raulgrell/zig,raulgrell/zig,raulgrell/zig