Adapt expected result for query test Scenario2_2c on SAP HANA Database

Depending on the JDBC driver version for SAP HANA Database, either a
Long or an Integer is returned for numeric constants in a result set.
The test Scenario2_2c is changed to reflect this dependency.

See bug 384237.

Signed-off-by: Sabine Heider <sabine.heider@sap.com>