feat: add submission type 'test'

src/main/java/dev/pcvolkmer/mv64e/mtb/MvhSubmissionType.java

@@ -6,7 +6,7 @@ import com.fasterxml.jackson.annotation.JsonValue;
 import java.io.IOException;
 
 public enum MvhSubmissionType {
-    ADDITION, CORRECTION, FOLLOWUP, INITIAL;
+    ADDITION, CORRECTION, FOLLOWUP, INITIAL, TEST;
 
     @JsonValue
     public String toValue() {
@@ -15,6 +15,7 @@ public enum MvhSubmissionType {
             case CORRECTION: return "correction";
             case FOLLOWUP: return "followup";
             case INITIAL: return "initial";
+            case TEST: return "test";
         }
         return null;
     }
@@ -25,6 +26,7 @@ public enum MvhSubmissionType {
         if (value.equals("correction")) return CORRECTION;
         if (value.equals("followup")) return FOLLOWUP;
         if (value.equals("initial")) return INITIAL;
+        if (value.equals("test")) return TEST;
         throw new IOException("Cannot deserialize MvhSubmissionType");
     }
 }