Log Message:
-----------
Fix an additional broken tests
Modified Files:
--------------
Npgsql2/testsuite/noninteractive/NUnit20:
NpgsqlParameterTests.cs (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/testsuite/noninteractive/NUnit20/NpgsqlParameterTests.cs?r1=1.4&r2=1.5)