code: def test_DomainScalar_from_sympy():
      expr = S(1)
      B = DomainScalar.from_sympy(expr)
      assert B == DomainScalar(ZZ(1), ZZ)
  
imports: from sympy.testing.pytest import raises
  from sympy.core.symbol import S
  from sympy.polys import ZZ, QQ
  from sympy.polys.matrices.domainscalar import DomainScalar
  from sympy.polys.matrices.domainmatrix import DomainMatrix
label_desc: Use image node_id 4 for calling a global function with example usage: test_DomainScalar_from_sympy() without return types