Disabling two tests temporarily for giac jni Linux


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25811 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fixing typo


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25812 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e