I have created a test in Azure Load Testing using Azure CLI
az group create --name sample-rg --location westus2
az load create --name sample-resource --resource-group sample-rg --location westus2
az load test create --test-id sample-test-id --load-test-resource sample-resource --resource-group sample-rg --display-name "Find IP" --description "Test description" --test-plan IPLoadTesting.jmx --engine-instances 1 --env rps=2 count=1
However how to upload the supportive CSV file for the load test?