fix configure error when BUILD_TESTING is turned off
fix configure error when BUILD_TESTING is turned off

arborworkflows/Visomics,arborworkflows/Visomics,Visomics/Visomics,arborworkflows/Visomics,Visomics/Visomics,Visomics/Visomics,arborworkflows/Visomics,arborworkflows/Visomics,arborworkflows/Visomics,Visomics/Visomics,Visomics/Visomics,Visomics/Visomics