Fix default null ordering for H2 and re-enable test

hibernate-core/src/main/java/org/hibernate/dialect/H2Dialect.java

@@ -389,7 +389,7 @@ public class H2Dialect extends Dialect {
 
 	@Override
 	public NullOrdering getNullOrdering() {
-		return NullOrdering.FIRST;
+		return NullOrdering.SMALLEST;
 	}
 
 	@Override

hibernate-core/src/main/java/org/hibernate/sql/ast/tree/from/CorrelatedTableGroup.java

@@ -76,14 +76,14 @@ public class CorrelatedTableGroup extends AbstractTableGroup {
 			String tableExpression,
 			boolean allowFkOptimization,
 			boolean resolve) {
-		final TableReference primaryTableReference = correlatedTableGroup.getPrimaryTableReference().getTableReference(
+		final TableReference tableReference = correlatedTableGroup.getTableReference(
 				navigablePath,
 				tableExpression,
 				allowFkOptimization,
 				resolve
 		);
-		if ( primaryTableReference != null ) {
-			return primaryTableReference;
+		if ( tableReference != null ) {
+			return tableReference;
 		}
 		for ( TableGroupJoin tableGroupJoin : getNestedTableGroupJoins() ) {
 			final TableReference groupTableReference = tableGroupJoin.getJoinedGroup()
@@ -101,17 +101,6 @@ public class CorrelatedTableGroup extends AbstractTableGroup {
 				return groupTableReference;
 			}
 		}
-		for ( TableReferenceJoin tableReferenceJoin : correlatedTableGroup.getTableReferenceJoins() ) {
-			final TableReference tableReference = tableReferenceJoin.getJoinedTableReference().getTableReference(
-					navigablePath,
-					tableExpression,
-					allowFkOptimization,
-					resolve
-			);
-			if ( tableReference != null ) {
-				return tableReference;
-			}
-		}
 		return null;
 	}
 

hibernate-core/src/test/java/org/hibernate/orm/test/query/criteria/internal/NullPrecedenceTest.java

@@ -1,4 +1,4 @@
-package org.hibernate.query.criteria.internal;
+package org.hibernate.orm.test.query.criteria.internal;
 
 import java.util.List;