Fix non printable test to be compatible in java11 and java8.

Author: pacafuentes

raml-parser-2/src/test/resources/org/raml/v2/parser/unprintable-character/output.txt

@@ -1,2 +1,2 @@
-ErrorNode: "Underlying error while parsing YAML syntax: 'special characters are not allowed around 'ow an error like:
-#               {â[BAD: LATIN 1 SUPPLEMENT 80]'" (Start: -1 , End: -1)
+ErrorNode: "Underlying error while parsing YAML syntax: 'special characters are not allowed around:  JS parser should show an error like:
+#               {â[BAD: €]'" (Start: -1 , End: -1)

yagi/src/main/java/org/raml/yagi/framework/nodes/snakeyaml/NodeParser.java

@@ -148,7 +148,7 @@ public String getLastValidString()
                 {
 
 
-                    for (char c : ("[BAD: " + Character.getName(this.lastBufferRead[i]) + "]").toCharArray())
+                    for (char c : ("[BAD: " + this.lastBufferRead[i] + "]").toCharArray())
                     {
 
                         seen.add(c);
@@ -214,7 +214,7 @@ private static Node buildYamlErrorNode(MarkedYAMLException e, String resourcePat
     private static Node buildYamlErrorNode(ReaderException e, SmartReader reader)
     {
 
-        final ErrorNode errorNode = new ErrorNode("Underlying error while parsing YAML syntax: '" + e.getMessage() + " around '" + reader.getLastValidString() + "'");
+        final ErrorNode errorNode = new ErrorNode("Underlying error while parsing YAML syntax: '" + e.getMessage() + " around: " + reader.getLastValidString() + "'");
         // errorNode.setStartPosition(new DefaultPosition(e.getPosition(), 0, 0, resourcePath, new DefaultResourceLoader()));
         // errorNode.setEndPosition(new DefaultPosition(e.getPosition() + 1, 0,0, resourcePath, new DefaultResourceLoader()));
         return errorNode;