add bytes test

Author: SentryMan

http-generator-nima/src/main/java/io/avaje/http/generator/helidon/nima/ControllerWriter.java

@@ -141,7 +141,7 @@ public void writeJsonBTypeFields() {
                 param ->
                     writer
                         .append(
-                            "  private final JsonType<%s> %sMethodBodyJsonType;",
+                            "  private final JsonType<%s> %sBodyJsonType;",
                             param.getUType().full(), methodReader.simpleName())
                         .eol());
       }

tests/test-nima-jsonb/src/main/java/org/example/HelloController.java

@@ -2,20 +2,35 @@
 
 import io.avaje.http.api.Controller;
 import io.avaje.http.api.Get;
+import io.avaje.http.api.Post;
+import io.avaje.http.api.Produces;
 
 @Controller
 public class HelloController {
 
+  @Produces("image/png")
+  @Get("/get")
+  byte[] testBytes() {
+
+    return "not really an image but ok".getBytes();
+  }
+
   @Get("hello")
   String helloWorld() {
     return "Hello world";
   }
 
   @Get("person/{name}/{sortBy}")
   Person person(String name, String sortBy) {
-    var p = new Person();
+    final var p = new Person();
     p.setId(42);
     p.setName(name + " hello" + " sortBy:" + sortBy);
     return p;
   }
+
+  @Post("person/update")
+  String add(Person newGuy) {
+
+    return "New Guy Added";
+  }
 }