Allow Travis to load tests and use azure-storage installed from pip at the same time
Allow Travis to load tests and use azure-storage installed from pip at the same time

v-iam/azure-sdk-for-python,SUSE/azure-sdk-for-python,Azure/azure-sdk-for-python,lmazuel/azure-sdk-for-python,Azure/azure-sdk-for-python,AutorestCI/azure-sdk-for-python,Azure/azure-sdk-for-python,Azure/azure-sdk-for-python