fix validation

validation/cavity/cavity.py

@@ -43,7 +43,7 @@ class Poiseuille(unittest.TestCase) :
         if not os.path.isdir(outputdir) :
             os.makedirs(outputdir)
 
-        subprocess.call(["gmsh", "-2", "mesh.geo","-clscale","0.1"])
+        subprocess.call(["gmsh", "-2", "mesh.geo","-clscale","0.5"])
 
         t = 0
         ii = 0
@@ -93,8 +93,6 @@ class Poiseuille(unittest.TestCase) :
         while ii < 1000 : 
             #Fluid solver
             time_integration.iterate(fluid,None,dt,check_residual_norm=1)
-            if ii == 10:
-                exit(0)
             t += dt
             #Output files writting
             if ii %outf == 0 :