List<Callable<String>> l = new ArrayList<>();
    l.add(new NPETask());
    try {
      invokeAnyImpl(e, l, false, 0, NANOSECONDS);
      fail();
    } catch (ExecutionException success) {
      assertThat(success).hasCauseThat().isInstanceOf(NullPointerException.class);
    } finally {
      joinPool(e);
    }
  }

  /** invokeAny(c) returns result of some task in c if at least one completes */

    public Iterable<? extends Character> successors(Character node) {
      requestedNodes.add(node);
      return delegate.successors(node);
    }
  }

  private static <N> SuccessorsFunction<N> fixedSuccessors(final Iterable<N> successors) {
    return new SuccessorsFunction<N>() {
      @Override
      public Iterable<N> successors(N n) {
        return successors;
      }
    };
  }

    public Iterable<? extends Character> successors(Character node) {
      requestedNodes.add(node);
      return delegate.successors(node);
    }
  }

  private static <N> SuccessorsFunction<N> fixedSuccessors(final Iterable<N> successors) {
    return new SuccessorsFunction<N>() {
      @Override
      public Iterable<N> successors(N n) {
        return successors;
      }
    };
  }

                                        </la:link>
                                        <la:link href="../createnew"
                                                 styleClass="btn btn-success btn-xs ${f:h(editableClass)}">
                                            <em class="fa fa-plus">
                                            <la:message key="labels.elevate_word_link_create"/>

                <div class="row">
                    <div class="col-md-12">
                        <div
                                class="card card-outline <c:if test="${crudMode == 1 || crudMode == 2}">card-success</c:if><c:if test="${crudMode == 3}">card-danger</c:if><c:if test="${crudMode == 4}">card-primary</c:if>">
                                <%-- Card Header --%>
                            <div class="card-header">

                <div class="row">
                    <div class="col-md-12">
                        <div
                                class="card card-outline <c:if test="${crudMode == 1 || crudMode == 2}">card-success</c:if><c:if test="${crudMode == 3}">card-danger</c:if><c:if test="${crudMode == 4}">card-primary</c:if>">
                                <%-- Card Header --%>
                            <div class="card-header">

                <div class="row">
                    <div class="col-md-12">
                        <div
                                class="card card-outline <c:if test="${crudMode == 1 || crudMode == 2}">card-success</c:if>">
                            <div class="card-header">
                                <h3 class="card-title">
                                    <c:if test="${crudMode == 1}">

      assertThat(graph.adjacentNodes(node)).isEqualTo(asGraph.adjacentNodes(node));
      assertThat(graph.predecessors(node)).isEqualTo(asGraph.predecessors(node));
      assertThat(graph.successors(node)).isEqualTo(asGraph.successors(node));
      assertThat(graph.degree(node)).isEqualTo(asGraph.degree(node));
      assertThat(graph.inDegree(node)).isEqualTo(asGraph.inDegree(node));

                <div class="row">
                    <div class="col-md-12">
                        <div
                                class="card card-outline <c:if test="${crudMode == 1 || crudMode == 2}">card-success</c:if><c:if test="${crudMode == 3}">card-danger</c:if><c:if test="${crudMode == 4}">card-primary</c:if>">
                            <div class="card-header">

                                    </la:link>
                                    <la:link href="createnew/${f:u(dictId)}"
                                             styleClass="btn btn-success btn-xs ${f:h(editableClass)}">
                                        <em class="fa fa-plus">
                                        <la:message key="labels.dict_stemmeroverride_link_create"/>