Removing inaccurate tests.

Author: Craigacp

tensorflow-core/tensorflow-core-api/src/test/java/org/tensorflow/SavedModelBundleTest.java

@@ -274,18 +274,12 @@ public void cannotExportOrImportInvalidTags() {
     assertThrows(IllegalArgumentException.class, () ->
         SavedModelBundle.loader("/").withTags(new String[]{"tag", null})
     );
-    assertThrows(IllegalArgumentException.class, () ->
-        SavedModelBundle.loader("/").withTags(new String[]{"tag", ""})
-    );
     assertThrows(IllegalArgumentException.class, () ->
         SavedModelBundle.exporter("/").withTags(null)
     );
     assertThrows(IllegalArgumentException.class, () ->
         SavedModelBundle.exporter("/").withTags(new String[]{"tag", null})
     );
-    assertThrows(IllegalArgumentException.class, () ->
-        SavedModelBundle.exporter("/").withTags(new String[]{"tag", ""})
-    );
   }
 
   @Test