UniqueConstraintGenerationTest fails on db2

Description

UniqueConstraintGenerationTest fails on db2 because db2 uses different syntax for unique constraint
CREATE UNIQUE INDEX ....

there is also typo in ListAddTest in failure reason message
expected 4 questions should be expected 3 questions

Environment

None

Status

Assignee

Martin Šimka

Reporter

Martin Šimka

Fix versions

Labels

None

backPortable

None

Suitable for new contributors

Yes, likely

Requires Release Note

None

backportDecision

None

Components

Affects versions

Priority

Minor
Configure