Warning removed (...) interpreted as grouped expression
Merge pull request #14436 from arunagw/aa-warning-removed-grouped-expression

Warning removed (...) interpreted as grouped expression
test for structure:dump without schema information table. refs eafec46

This is a test case for the fix provided in eafec4694c5b37eff9d83b1188b8e331fa6027fa
Extract with_example_table into helper method.

This setups the helper method which other tests can benefit from.
Merge pull request #14400 from tgxworld/ensure_tables_are_dropped_after_test

Drop custom tables after each test.