VerifyAtLeastOneRow verifies that main table from schema has at least one row.

VerifyAtMostOneOf verifies that for each row in table at most one column from oneof is not empty.

VerifyNoEmptyColumnsExcept verifies that for each row in table its columns are not empty except passed.

VerifyRowPredicateInTable is a base verifier accepting single row verifier for specific table from schema.

Verifier verifies tables specified by table schema (main table and its relations).