Added regression test to check for single edges touching dirichlet faces in parallel

solvers/ADRSolver/CMakeLists.txt

@@ -165,6 +165,7 @@ IF( NEKTAR_SOLVER_ADR )
         ADD_NEKTAR_TEST_LENGTHY(ImDiffusion_Quad_Periodic_m7_par)
         ADD_NEKTAR_TEST(ImDiffusion_Hex_Periodic_m5_par)
         ADD_NEKTAR_TEST(Helmholtz3D_CubePeriodic_par)
+        ADD_NEKTAR_TEST(Helmholtz3D_CubeDirichlet_par)
         ADD_NEKTAR_TEST(Helmholtz3D_CubePeriodic_RotateFace_par)
     ENDIF (NEKTAR_USE_MPI)
 ENDIF( NEKTAR_SOLVER_ADR )

solvers/ADRSolver/Tests/Helmholtz3D_CubeDirichlet_par.tst

+<?xml version="1.0" encoding="utf-8"?>
+<test>
+    <description> 3D Helmholtz/Steady Diffusion Reaction with Dirichlet  BCs P=5 </description>
+    <executable>ADRSolver</executable>
+    <parameters>Helmholtz3D_CubeDir.xml</parameters>
+    <processes>12</processes>
+    <files>
+      <file description="Session File">Helmholtz3D_CubeDir.xml</file>
+    </files>
+    <metrics>
+        <metric type="L2" id="1">
+            <value variable="u" tolerance="1e-8"> 4.82538e-05</value>
+        </metric>
+        <metric type="Linf" id="2">
+            <value variable="u" tolerance="1e-8"> 0.010592 </value>
+        </metric>
+    </metrics>
+</test>