AdvancedJunitTest.testCoalesceJPQLQueryWithNullParameterValue fails on Derby

[lukasj]

1 test in org.eclipse.persistence.testing.tests.jpa.advanced.AdvancedJunitTest is failing on Derby:

[ERROR] Errors: 
[ERROR]   AdvancedJunitTest>JUnitTestCase.runBare:719->testCoalesceJPQLQueryWithNullParameterValue:576 » Persistence Exception [EclipseLink-4002] (Eclipse Persistence Services - 4.0.0.v202208281634): org.eclipse.persistence.exceptions.DatabaseException
Internal Exception: java.sql.SQLSyntaxErrorException: Syntax error: Encountered "NULL" at line 1, column 126.
Error Code: 30000
Call: SELECT COUNT(1) FROM CMP3_EMPLOYEE t0, CMP3_SALARY t1 WHERE (((t0.L_NAME = 'Johanssen') AND (t1.SALARY = COALESCE(t1.SALARY, NULL))) AND (t1.EMP_ID = t0.EMP_ID))
Query: ReportQuery(referenceClass=Employee sql="SELECT COUNT(?) FROM CMP3_EMPLOYEE t0, CMP3_SALARY t1 WHERE (((t0.L_NAME = ?) AND (t1.SALARY = COALESCE(t1.SALARY, ?))) AND (t1.EMP_ID = t0.EMP_ID))")
[INFO] 
[ERROR] Tests run: 185, Failures: 0, Errors: 1, Skipped: 0

to reproduce, update test to run on all platforms and run:
mvn test -pl :org.eclipse.persistence.jpa.testapps.advanced -Dtest=AdvancedJunitTest

The test has been introduced as part of the fix for https://bugs.eclipse.org/bugs/show_bug.cgi?id=469182