fix TaskVcsTest

plugins/tasks/tasks-tests/test/com/intellij/tasks/TestRepository.java

@@ -1,3 +1,4 @@
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package com.intellij.tasks;
 
 import com.intellij.tasks.impl.BaseRepository;
@@ -6,11 +7,14 @@ import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
-* @author Dmitry Avdeev
-*/
+ * @author Dmitry Avdeev
+ */
 public class TestRepository extends BaseRepository {
   private Task[] myTasks;
 
+  public TestRepository() {
+  }
+
   public TestRepository(Task... tasks) {
     myTasks = tasks;
   }