add explicit catch dependency for tests that use it (#2126)
add explicit catch dependency for tests that use it (#2126)


bp-kelley/rdkit,greglandrum/rdkit,greglandrum/rdkit,ptosco/rdkit,rdkit/rdkit,rdkit/rdkit,bp-kelley/rdkit,bp-kelley/rdkit,greglandrum/rdkit,rdkit/rdkit,bp-kelley/rdkit,greglandrum/rdkit,greglandrum/rdkit,bp-kelley/rdkit,bp-kelley/rdkit,ptosco/rdkit,ptosco/rdkit,ptosco/rdkit,rdkit/rdkit,rdkit/rdkit,ptosco/rdkit,rdkit/rdkit,rdkit/rdkit,greglandrum/rdkit,ptosco/rdkit,bp-kelley/rdkit,greglandrum/rdkit,ptosco/rdkit,bp-kelley/rdkit,rdkit/rdkit,greglandrum/rdkit,ptosco/rdkit