code: def test_DomainScalar_convert_to():
      A = DomainScalar(ZZ(1), ZZ)
      B = A.convert_to(QQ)
      assert B == DomainScalar(QQ(1), QQ)
  
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 7 for calling a global function with example usage: test_DomainScalar_convert_to() without return types