[giac] updated .js tests

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28785 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
updated JUnit tests

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28786 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e