Fix symbology identifier tests (#1396)

* rename metadata test files

* implement symbology identifier on ITFReader

* add metadata test

* remove unused code

core/src/main/java/com/google/zxing/oned/Code128Reader.java

@@ -482,9 +482,6 @@ public final class Code128Reader extends OneDReader {
                   }
                 }
                 break;
-              case CODE_FNC_2:
-                symbologyModifier = 4;
-                break;
               case CODE_CODE_A:
                 codeSet = CODE_CODE_A;
                 break;

core/src/main/java/com/google/zxing/oned/ITFReader.java

@@ -21,6 +21,7 @@ import com.google.zxing.DecodeHintType;
 import com.google.zxing.FormatException;
 import com.google.zxing.NotFoundException;
 import com.google.zxing.Result;
+import com.google.zxing.ResultMetadataType;
 import com.google.zxing.ResultPoint;
 import com.google.zxing.common.BitArray;
 
@@ -139,12 +140,14 @@ public final class ITFReader extends OneDReader {
       throw FormatException.getFormatInstance();
     }
 
-    return new Result(
+    Result resultObject = new Result(
         resultString,
         null, // no natural byte representation for these barcodes
         new ResultPoint[] {new ResultPoint(startRange[1], rowNumber),
                            new ResultPoint(endRange[0], rowNumber)},
         BarcodeFormat.ITF);
+    resultObject.putMetadata(ResultMetadataType.SYMBOLOGY_IDENTIFIER, "]I0");
+    return resultObject;
   }
 
   /**

core/src/test/resources/blackbox/rss14-1/1.metadata.txt

@@ -0,0 +1 @@
+SYMBOLOGY_IDENTIFIER=]e0