Add test using adaptive P and IMEX2

solvers/IncNavierStokesSolver/CMakeLists.txt

@@ -113,6 +113,7 @@ IF( NEKTAR_SOLVER_INCNAVIERSTOKES )
     ADD_NEKTAR_TEST(ChanFlow_Standard_BodyForce)
     ADD_NEKTAR_TEST(Cyl_AdaptiveSFD)
     ADD_NEKTAR_TEST(Womersley_PipeFlow)
+    ADD_NEKTAR_TEST(CylFlow_adaptiveP LENGTHY)
     ADD_NEKTAR_TEST(CylFlow_Mov_mapping)
     ADD_NEKTAR_TEST(PPF_R10000_ModifiedArnoldi_Shift) 
     ADD_NEKTAR_TEST(PPF_R15000_ModifiedArnoldi_Shift) 

solvers/IncNavierStokesSolver/Tests/CylFlow_adaptiveP.tst

+<?xml version="1.0" encoding="utf-8"?>
+<test>
+    <description>2D cylinder flow simulation using adaptive polynomial order</description>
+    <executable>IncNavierStokesSolver</executable>
+    <parameters>CylFlow_adaptiveP.xml</parameters>
+    <files>
+        <file description="Session File">CylFlow_adaptiveP.xml</file>
+    </files>
+    <metrics>
+        <metric type="L2" id="1">
+            <value variable="u" tolerance="1e-12">21.4162</value>
+            <value variable="v" tolerance="1e-12">0.911291</value>
+            <value variable="p" tolerance="1e-12">0.875288</value>
+        </metric>
+        <metric type="Linf" id="2">
+            <value variable="u" tolerance="1e-12">1.76892</value>
+            <value variable="v" tolerance="1e-12">0.837794</value>
+            <value variable="p" tolerance="1e-12">1.29043</value>
+        </metric>
+    </metrics>
+</test>
+