Added tiering policy for backup vm policy #22

Job	Run time
Load Test Scenarios Matrix	5s
azuread/100-azuread_administrative_units	46s
azuread/100-azuread-application-with-sevice-principle-with-builtin-roles	45s
azuread/100-sevice-principle-with-builtin-roles	45s
azuread/101-azuread_administrative_unit_member	43s
azuread/101-azuread-application-with-service-principle-with-custom-roles	53s
azuread/101-service-principle-with-custom-roles	53s
azuread/102-password-rotation	51s
azuread/103-service-principal-only	45s
azuread/104-azuread-group-membership	44s
azuread/105-azuread-application-with-optional-claims	52s
azuread/106-azuread-application-with-api-scopes	51s
azuread/108-azuread-application-with-app-roles	47s
azuread/201-groups-and-roles	51s
	10m 31s

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