diff --git a/Solver/TESTCASES/ConvergenceMultirate.lua b/Solver/TESTCASES/ConvergenceMultirate.lua
index 4f4327971f67c570c63bdbc505ff4030a9f50c56..8bfa3867a091bd27caa0d922f274d57363cc0b64 100644
--- a/Solver/TESTCASES/ConvergenceMultirate.lua
+++ b/Solver/TESTCASES/ConvergenceMultirate.lua
@@ -82,6 +82,7 @@ for i=1,nRefSteps do
 end
 
 multirateRK=dgRungeKuttaMultirate43(GC,law)
+--multirateRK=dgRungeKuttaMultirate22(GC,law)
 integrator=dgFunctionIntegrator(functionLua(1, 'L2Norm', {'Solution'}):getName())
 
 oldnorm=1
diff --git a/Solver/TESTCASES/MultirateAdvection.lua b/Solver/TESTCASES/MultirateAdvection.lua
index 7e1e0a41847bf8ab54580333f18b69a3f85ae7ec..99e1157f081f82793cec54259ae569f108136487 100644
--- a/Solver/TESTCASES/MultirateAdvection.lua
+++ b/Solver/TESTCASES/MultirateAdvection.lua
@@ -86,6 +86,7 @@ dt=dt
 print('DT=',dt)
 RK=dgRungeKutta()
 multirateRK=dgRungeKuttaMultirate43(GC,law)
+--multirateRK=dgRungeKuttaMultirate22(GC,law)
 norm1=solution:norm()
 norm2=solution2:norm()
 print('Norm: ',norm1,norm2)