message: minor change in the two unit tests
diff: @@ -2378,11 +2378,11 @@ TEST_F(MklLayoutPassTest, NodeMerge_PadWithConv2D_Positive) {
  // C= Pad = input of conv2D,
  // D=input(filter), E = Conv2D, Z = Zeta
  // C=Pad(A,B); E=Conv2D(C,D); Z=Zeta(E,Y)
  -// C:control->A1:control
  -// E:control->A1:control
  -// After layout pass
  -// _MklPadWithConv2D(A, D, B, DMT/_0, DMT/_1, DMT/_2)
  +// A1:control->C:control
  // A1:control->E:control
  +// After layout pass:
  +// _MklPadWithConv2D(A, D, B, DMT/_0, DMT/_1, DMT/_2)
  +// A1:control->E:control (only one control edge)
  TEST_F(MklLayoutPassTest, Input_ControlEdge_PadWithConv2D_Positive) {
  CHECK_EQ(kTensorOrdering, MklTfTensorOrdering::TENSORS_CONTIGUOUS);
  InitGraph(
  @@ -2411,8 +2411,8 @@ TEST_F(MklLayoutPassTest, Input_ControlEdge_PadWithConv2D_Positive) {
  Node* e = FindNode("E");
  const Edge* edge = graph_.AddControlEdge(a1, c);
  const Edge* edge_1 = graph_.AddControlEdge(a1, e);
  - ASSERT_TRUE(edge != nullptr);
  - ASSERT_TRUE(edge_1 != nullptr);
  + ASSERT_NE(edge, nullptr);
  + ASSERT_NE(edge_1, nullptr);
  EXPECT_EQ(DoMklLayoutOptimizationPass(),
  "A(Input);A1(Input);B(Int32Input);D(Input);DMT/_0(Const);DMT/_1(Const);"
  "DMT/_2(Const);E(_MklPadWithConv2D);Y(Input);Z(Zeta)|A->E;"
  @@ -2430,10 +2430,10 @@ TEST_F(MklLayoutPassTest, Input_ControlEdge_PadWithConv2D_Positive) {
  // C=Pad(A,B); E=Conv2D(C,D); Z=Zeta(E,Y)
  // C:control->A1:control
  // E:control->A1:control
  -// After layout pass
  +// After layout pass:
  // _MklPadWithConv2D(A, D, B, DMT/_0, DMT/_1, DMT/_2)
  // E:control->A1:control (only one control edge)
  -TEST_F(MklLayoutPassTest, ControlEdge_PadWithConv2D_Positive) {
  +TEST_F(MklLayoutPassTest, Output_ControlEdge_PadWithConv2D_Positive) {
  CHECK_EQ(kTensorOrdering, MklTfTensorOrdering::TENSORS_CONTIGUOUS);
  InitGraph(
  "node { name: 'A1' op: 'Input'}"
  @@ -2461,8 +2461,8 @@ TEST_F(MklLayoutPassTest, ControlEdge_PadWithConv2D_Positive) {
  Node* e = FindNode("E");
  const Edge* edge = graph_.AddControlEdge(c, a1);
  const Edge* edge_1 = graph_.AddControlEdge(e, a1);
  - ASSERT_TRUE(edge != nullptr);
  - ASSERT_TRUE(edge_1 != nullptr);
  + ASSERT_NE(edge, nullptr);
  + ASSERT_NE(edge_1, nullptr);
  EXPECT_EQ(DoMklLayoutOptimizationPass(),
  "A(Input);A1(Input);B(Int32Input);D(Input);DMT/_0(Const);DMT/_1(Const);"
  "DMT/_2(Const);E(_MklPadWithConv2D);Y(Input);Z(Zeta)|A->E;"
  