solve visualTest dependency
solve visualTest dependency

Previous error message: Error: (converted from warning) package ‘visualTest’ is not available (for R version 3.3.3)
mobilizingcs-ops/mobilize-in-a-box,mobilizingcs/mobilize-in-a-box,mobilizingcs-ops/mobilize-in-a-box,mobilizingcs/mobilize-in-a-box