Add github actions test for parallel runs.

tests/run_tests.sh

@@ -35,11 +35,46 @@ allTests=( \
     atmo/srtb-piso-amr/bubble \
 )
 
+allParTests=( \
+    backface/backface \
+    cavity/cavity \
+    cavity-amr/cavity \
+    convec/convec \
+    harg/harg \
+    laplace/laplace \
+    laplace-amr/laplace \
+    mix/mix \
+    pitzdaily/ke/pitzDaily \
+    pitzdaily/les/pitzDaily \
+    potential/potential \
+    atmo/acoustic-sphere/sphere \
+    atmo/advection-sphere/sphere \
+    atmo/ctbs/bubble \
+    atmo/dc/bubble \
+    atmo/advection-leveque/bubble \
+    atmo/lrtb/bubble \
+    atmo/srtb/bubble \
+    atmo/srtb-amr/bubble \
+    atmo/srtb-curved/bubble \
+    atmo/srtb-inclined/bubble \
+    atmo/srtb-piso/bubble \
+    atmo/srtb-piso-amr/bubble \
+)
+
 cd ..
 
 export OMP_NUM_THREADS=1
 
+# single process tests
 for i in "${allTests[@]}"; do
     echo "Running test case: $i"
     ./test.sh -s 10 -n 1 -c examples/$i
 done
+
+
+# two process tests
+for i in "${allParTests[@]}"; do
+    echo "Running test case: $i"
+    ./test.sh -s 10 -n 2 -c examples/$i
+done
+