lib/pq has built-in support to use pgpass file for authentication when
no password has been provided. However this requires that the connection
does not contain the password parameter at all.
Removing password parameter when postgresql password is empty in
SQL store.
* Chore: Exclude integration tests from running on test-backend step
* Remove -v from go test command
* Add check to skip integration tests before each integration test
* Try to restart pipeline
* Retrying to make pipeline run
* use a common way to redact sensitive values before logging them
* fix panic on missing testCase.err, simplify require checks
* fix a silly typo
* combine readConfig and buildConnectionString methods, as they are closely related
* sqlstore: Run tests as integration tests
* Truncate database instead of re-creating it on each test
* Fix test description
See https://github.com/grafana/grafana/pull/12129
* Fix lint issues
* Fix postgres dialect after review suggestion
* Rename and document functions after review suggestion
* Add periods
* Fix auto-increment value for mysql dialect
Co-authored-by: Emil Tullstedt <emil.tullstedt@grafana.com>