fix assert, and force methods to upper case (#1304)

* fix assert, and force methods to upper case

* add alert for updateCall errors

* lint

* handle missing method

lib/session/call-session.js

@@ -1963,6 +1963,17 @@ Duration=${duration} `
       }
     } catch (err) {
       this.logger.info({err, opts, callSid}, 'CallSession:updateCall - error updating call');
+      const {writeAlerts} = this.srf.locals;
+      try {
+        writeAlerts({
+          alert_type: 'error-updating-call',
+          account_sid: this.accountSid,
+          message: err.message,
+          target_sid: callSid
+        });
+      } catch (err) {
+        this.logger.error({err}, 'Error writing error-updating-call alert');
+      }
     }
   }