fix unit test.
fix unit test.

blueoceanideas/metabase,zoowii/metabase,dashkb/metabase,dashkb/metabase,zoowii/metabase,blueoceanideas/metabase,Endika/metabase,blueoceanideas/metabase,zoowii/metabase,blueoceanideas/metabase,dashkb/metabase,blueoceanideas/metabase,Endika/metabase,zoowii/metabase,Endika/metabase,dashkb/metabase,Endika/metabase,Endika/metabase,dashkb/metabase,zoowii/metabase