Merge topic 'java-thresh-type' into release

169fcde1 Fix test threshold type for java wrappers

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Reviewed-by: Sebastien Jourdain <sebastien.jourdain@kitware.com>
Merge-request: !11590

Wrapping/Java/vtk/vtkJavaTesting.java

@@ -101,7 +101,7 @@ public class vtkJavaTesting {
     System.exit(0);
   }
 
-  public static int RegressionTest(vtkRenderWindow renWin, int threshold) {
+  public static int RegressionTest(vtkRenderWindow renWin, double threshold) {
     vtkJavaTesting.Tester.SetRenderWindow(renWin);
 
     if (vtkJavaTesting.Tester.RegressionTest(threshold) == vtkJavaTesting.PASSED) {