COMP: Use temp dir for TestOggTheoraWriter
COMP: Use temp dir for TestOggTheoraWriter

The test is failing on a few platforms. It trys to write in the
current directory. Tests should write files into the temp directory.
Perhaps this wil fix those tests.

Change-Id: I213fdbeeae444127086dfa9978d082208e3c12c1

sumedhasingla/VTK,sumedhasingla/VTK,sankhesh/VTK,jmerkow/VTK,mspark93/VTK,gram526/VTK,jmerkow/VTK,SimVascular/VTK,hendradarwin/VTK,msmolens/VTK,SimVascular/VTK,candy7393/VTK,candy7393/VTK,gram526/VTK,ashray/VTK-EVM,hendradarwin/VTK,msmolens/VTK,demarle/VTK,SimVascular/VTK,keithroe/vtkoptix,demarle/VTK,keithroe/vtkoptix,johnkit/vtk-dev,keithroe/vtkoptix,johnkit/vtk-dev,candy7393/VTK,ashray/VTK-EVM,sankhesh/VTK,candy7393/VTK,hendradarwin/VTK,collects/VTK,keithroe/vtkoptix,gram526/VTK,candy7393/VTK,collects/VTK,hendradarwin/VTK,keithroe/vtkoptix,hendradarwin/VTK,gram526/VTK,mspark93/VTK,msmolens/VTK,msmolens/VTK,biddisco/VTK,johnkit/vtk-dev,johnkit/vtk-dev,jmerkow/VTK,berendkleinhaneveld/VTK,sumedhasingla/VTK,SimVascular/VTK,demarle/VTK,collects/VTK,johnkit/vtk-dev,jmerkow/VTK,collects/VTK,ashray/VTK-EVM,msmolens/VTK,sumedhasingla/VTK,gram526/VTK,jmerkow/VTK,mspark93/VTK,msmolens/VTK,ashray/VTK-EVM,sumedhasingla/VTK,gram526/VTK,sankhesh/VTK,demarle/VTK,demarle/VTK,collects/VTK,gram526/VTK,mspark93/VTK,biddisco/VTK,mspark93/VTK,collects/VTK,berendkleinhaneveld/VTK,SimVascular/VTK,hendradarwin/VTK,keithroe/vtkoptix,berendkleinhaneveld/VTK,sankhesh/VTK,berendkleinhaneveld/VTK,biddisco/VTK,mspark93/VTK,SimVascular/VTK,demarle/VTK,berendkleinhaneveld/VTK,biddisco/VTK,sankhesh/VTK,keithroe/vtkoptix,keithroe/vtkoptix,berendkleinhaneveld/VTK,jmerkow/VTK,demarle/VTK,ashray/VTK-EVM,candy7393/VTK,ashray/VTK-EVM,sankhesh/VTK,johnkit/vtk-dev,sumedhasingla/VTK,SimVascular/VTK,sankhesh/VTK,candy7393/VTK,sumedhasingla/VTK,johnkit/vtk-dev,ashray/VTK-EVM,gram526/VTK,candy7393/VTK,msmolens/VTK,msmolens/VTK,ashray/VTK-EVM,sumedhasingla/VTK,berendkleinhaneveld/VTK,hendradarwin/VTK,jmerkow/VTK,biddisco/VTK,mspark93/VTK,SimVascular/VTK,jmerkow/VTK,demarle/VTK,biddisco/VTK,sankhesh/VTK,mspark93/VTK,biddisco/VTK