FEM: elmer, use console print and delete not needed prints in unit test

src/Mod/Fem/femsolver/elmer/tasks.py

@@ -28,6 +28,8 @@ __url__ = "http://www.freecadweb.org"
 
 import subprocess
 import os.path
+
+import FreeCAD
 import femtools.femutils as femutils
 
 from .. import run
@@ -67,7 +69,7 @@ class Prepare(run.Prepare):
 
     def run(self):
         self.pushStatus("Preparing input files...\n")
-        print("Prepare testmode: " + str(self.testmode))
+        FreeCAD.Console.PrintMessage("Machine testmode: {}".format(self.testmode))
         if self.testmode:
             w = writer.Writer(self.solver, self.directory, True)  # test mode
         else: