fixed duplicate names

src/test/java/de/neemann/digital/hdl/vhdl/TestInSimulator.java

@@ -57,7 +57,7 @@ public class TestInSimulator extends TestCase {
         File examples = new File(Resources.getRoot(), "/dig/hdl");
         try {
             int tested = new FileScanner(this::checkVHDLExport).noOutput().scan(examples);
-            assertEquals(36, tested);
+            assertEquals(37, tested);
         } catch (FileScanner.SkipAllException e) {
             // if ghdl is not installed its also ok
         }

src/test/java/de/neemann/digital/hdl/vhdl2/VHDLGeneratorTest.java

@@ -59,7 +59,7 @@ public class VHDLGeneratorTest extends TestCase {
         File examples = new File(Resources.getRoot(), "/dig/hdl");
         try {
             int tested = new FileScanner(this::checkVHDLExport).noOutput().scan(examples);
-            assertEquals(36, tested);
+            assertEquals(37, tested);
         } catch (FileScanner.SkipAllException e) {
             // if ghdl is not installed its also ok
         }

src/test/resources/dig/hdl/model2/naming.dig

@@ -66,6 +66,23 @@
       </elementAttributes>
       <pos x="140" y="100"/>
     </visualElement>
+    <visualElement>
+      <elementName>Testcase</elementName>
+      <elementAttributes>
+        <entry>
+          <string>Testdata</string>
+          <testData>
+            <dataString>S0 S1 S2 S3
+0  0  1  1
+0  1  0  1
+1  0  1  0
+1  1  1  1
+</dataString>
+          </testData>
+        </entry>
+      </elementAttributes>
+      <pos x="-40" y="160"/>
+    </visualElement>
   </visualElements>
   <wires>
     <wire>