fix the build

Signed-off-by: Lev Nachmanson <[email protected]>

Author: levnach

GraphLayout/Test/MSAGLTests/SplineRouterTests.cs

@@ -207,7 +207,9 @@ static Node SetNode(
 
         [TestMethod]
         public void OneEdgeWithObstacle() {
+#if TEST_MSAGL
             GraphViewerGdi.DisplayGeometryGraph.SetShowFunctions();
+#endif
             var g = new GeometryGraph();
             var a = new Node {
                 BoundaryCurve = CurveFactory.CreateRectangleWithRoundedCorners(
@@ -244,7 +246,9 @@ public void OneEdgeWithObstacle() {
         }
         [TestMethod]
         public void OneEdgeWithTwoObstacles() {
+#if TEST_MSAGL
             GraphViewerGdi.DisplayGeometryGraph.SetShowFunctions();
+#endif
             var g = new GeometryGraph();
             var a = new Node {
                 BoundaryCurve = CurveFactory.CreateRectangleWithRoundedCorners(
@@ -286,7 +290,9 @@ public void OneEdgeWithTwoObstacles() {
             g.Edges.Add(e);
             var sr = new SplineRouter(g, 2, 4, Math.PI / 6);
             sr.Run();
+#if TEST_MSAGL
             GraphViewerGdi.DisplayGeometryGraph.ShowGraph(g);
+#endif
         }
 
         [TestMethod]