DDC-2376: [GH-635] Function test for addManyToOne database column mapping

[doctrinebot]

Jira issue originally created by user @beberlei:

This issue is created automatically through a Github pull request on behalf of TomHAnderson:

Url: #635

Message:

When the PHPDriver is used to create a ManyToOne relationship with a table which has a primary key other than id the primary key is not associated correctly.

[doctrinebot]

Comment created by @beberlei:

A related Github Pull-Request [GH-635] was closed
#635

[doctrinebot]

Issue was closed with resolution "Invalid"

[doctrinebot]

Comment created by @doctrinebot:

A related Github Pull-Request [GH-635] was closed:
doctrine/dbal#635