Add the output to commands that need authentication

Author: fearoffish

plugins/terraform/terraform.go

@@ -33,6 +33,7 @@ func TerraformCLI() schema.Executable {
 					needsauth.ForCommand("destroy"),
 					needsauth.ForCommand("import"),
 					needsauth.ForCommand("test"),
+					needsauth.ForCommand("output"),
 				),
 			},
 		},