[From string (line 8) ]                                
                                                       
@startuml                                              
skinparam noteBackgroundColor #lightblue               
skinparam noteBackgroundColor<<stereotyped>> #lightpink
                                                       
note  right of state1 <<stereotyped>>: "test_text2"    
note  left of state2 :  "test_text1"                   
                                                       
state state1 : has stereotyped notes                   
^^^^^                                                  
 Syntax Error?