check syntax no more explicitly need to call assertXXX

[ThakeeNathees]

Description

Jac source

Generated python source

Output

[ThakeeNathees]

I think we can go with something like bellow too, recursively but not sure.

test foo {
  check (1==2) and (2 <3);
}

assertEqual(1,2) and assertLess(2,3)

But this will be for a future improvement and we can mark it as a low priority todo.

[marsninja]

few quick things, but this pr is very good!!!