Resolve test type issue in reservedip package (#2407)

Author: lgarber-akamai

linode/reservedip/resource_test.go

@@ -20,7 +20,7 @@ const testResourceName = "linode_reserved_ip.test"
 var testRegion string
 
 func init() {
-	region, err := acceptance.GetRandomRegionWithCaps([]string{linodego.CapabilityLinodes}, "core")
+	region, err := acceptance.GetRandomRegionWithCaps([]linodego.RegionCapability{linodego.CapabilityLinodes}, "core")
 	if err != nil {
 		log.Fatal(err)
 	}