Revert "CI: Use 12 cpus to run the test."

This reverts commit 464fc76.

Author: TimoLin

examples/dfHighSpeedFoam/oneD_detonationH2/Allrun

@@ -10,4 +10,4 @@ cp -r 0_orig/ 0/
 runApplication blockMesh
 runApplication setFields
 runApplication decomposePar
-runApplication mpirun --oversubscribe -np 12 --allow-run-as-root $application -parallel
+runApplication mpirun --oversubscribe -np 8 --allow-run-as-root $application -parallel

examples/dfHighSpeedFoam/oneD_detonationH2/system/decomposeParDict

@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-numberOfSubdomains  12;
+numberOfSubdomains  8;
 
 method          scotch;
 

examples/dfLowMachFoam/fgm/twoD_SandiaD_flareFGM/Allrun

@@ -1,7 +1,7 @@
 #!/bin/sh
 cd ${0%/*} || exit 1    # Run from this directory
 
-if [ -e flare_CH4_SandiaD_4D.tbl ]
+if [ -e flare_CH4_SandiaD_4D.tbl]
 then
     echo "flare_CH4_SandiaD_4D.tbl exists. Make sure correct table has been used!"
 else

test/Tu500K-Phi1/Allrun

@@ -8,7 +8,7 @@ application=dfLowMachFoam
 
 runApplication blockMesh
 runApplication decomposePar
-runApplication mpirun -np 12 --allow-run-as-root $application -parallel
+runApplication mpirun -np 4 --allow-run-as-root $application -parallel
 reconstructPar
 flameSpeed > log.fs
 sed -n 's/.*flameSpeed = \([0-9]*\(\.[0-9]*\)\?\).*/\1/p' log.fs > fs

test/Tu500K-Phi1/system/decomposeParDict

@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-numberOfSubdomains 12;
+numberOfSubdomains 4;
 
 method          scotch;
 

test/dfLowMachFoam/twoD_reactingTGV/H2/cvodeSolver/Allrun

@@ -8,7 +8,7 @@ application=dfLowMachFoam
 
 runApplication blockMesh
 runApplication decomposePar
-runApplication mpirun -np 12 $application -parallel
+runApplication mpirun -np 4 $application -parallel
 
 runApplication reconstructPar 
 runApplication postProcess -func sample

test/dfLowMachFoam/twoD_reactingTGV/H2/cvodeSolver/system/decomposeParDict

@@ -15,7 +15,7 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-numberOfSubdomains 12;
+numberOfSubdomains 4;
 
 method          scotch;