diff --git a/FluidDynamics/Components/HeatExchangers/test_DiscreteExchanger.mo b/FluidDynamics/Components/HeatExchangers/test_DiscreteExchanger.mo
index f97e5b8ce3e523d6c01962c665343fc7f8a24420..766d0fff945658f9f079fa0df402ae329adb7cbb 100644
--- a/FluidDynamics/Components/HeatExchangers/test_DiscreteExchanger.mo
+++ b/FluidDynamics/Components/HeatExchangers/test_DiscreteExchanger.mo
@@ -18,4 +18,6 @@ equation
     Line(points = {{40, 50}, {-14, 50}, {-14, 16}, {-14, 16}}, color = {0, 127, 255}));
   connect(discreteExchanger.port_A_out, boundary.ports[2]) annotation(
     Line(points = {{20, 0}, {40, 0}, {40, 50}, {40, 50}}, color = {0, 127, 255}));
+annotation(
+    experiment(StartTime = 0, StopTime = 10, Tolerance = 1e-6, Interval = 0.1));
 end test_DiscreteExchanger;
diff --git a/FluidDynamics/Components/Pipes/test_DynamicPipe.mo b/FluidDynamics/Components/Pipes/test_DynamicPipe.mo
index 3f47cd388036239a76b4d2b5b3746bf5617a1e2b..6b8a9230fb89f61ade708fce221e99586b27c933 100644
--- a/FluidDynamics/Components/Pipes/test_DynamicPipe.mo
+++ b/FluidDynamics/Components/Pipes/test_DynamicPipe.mo
@@ -18,5 +18,5 @@ h=TAeZoSysPro.Media.Air.MoistAir.specificEnthalpy_pTX(
   connect(pipe.port_b, atmosphere1.Fluidport[1]) annotation(
     Line(points = {{20, 0}, {60, 0}, {60, 8}, {80, 8}, {80, 8}}, color = {0, 127, 255}));
   annotation(
-    experiment(StartTime = 0, StopTime = 1, Tolerance = 1e-06, Interval = 0.002));
+    experiment(StartTime = 0, StopTime = 10, Tolerance = 1e-06, Interval = 0.1));
 end test_DynamicPipe;