fix

src/TestingSystem/Common/Group/GroupsDBTable.java

@@ -34,17 +34,21 @@ public class GroupsDBTable extends iDBTable<Group> {
                     });
             }
         });
+        filters.add(new DataSetFilter<Group>("Язык", this) {
+            @Override
+            public void fill() {
+                for (LanguageName languageName : LanguageName.values()) {
+                    filters.add(new DBObjectFilter<Group>(dataSet, languageName.getDescription()) {
+                        @Override
+                        protected boolean validate(Group object) {
+                            return object.language.equals(languageName);
+                        }
+                    });
+                }
+            }
+        });
     }
-    /*
-    for (LanguageName languageName : LanguageName.values()) {
-              languageFilters.add(new DBObjectFilter<Group>(this, languageName.getDescription()) {
-                  @Override
-                  protected boolean validate(Group object) {
-                      return object.language.equals(languageName);
-                  }
-              });
-          }
-  */
+
     @Override
     public String getSingleDescription() {
         return "группа тестов";