Improve error when running a test suite that is not saved to the database

[joewiz]

Copying and pasting a test, such as https://gist.github.com/olvidalo/1f0a7aa7edbd134a93d05eecc1fdaad6, into a new eXide window and running the XQuery > Run as text command yields the following error:

Server Error
/db/apps/eXide/modules/run-test.xqlexerr:ERROR XPTY0004: The actual cardinality for parameter 1 does not match the cardinality declared in the function's signature: test:suite($functions as function+) item()*. Expected cardinality: one or more, got 0. [at line 15, column 27, source: /db/apps/eXide/modules/run-test.xql]
In function: test:suite(function+) [15:16:jar:file:/Applications/eXist-db.app/Contents/Resources/eXist-db/exist.jar!/org/exist/xquery/lib/xqsuite/xqsuite.xql]

Further investigation showed that this feature requires that the query be saved in the database in order to work.

Proposal:

• Provide a more helpful error message about needing to save the query to the database before it can be run
• Add this to the release notes
• Include in next release