validation script slightly updated

Smilei/testcase_large/validate.sh

@@ -2,11 +2,10 @@
 set -e
 
 python $(dirname $0)/validate.py
-cat results-Smilei-large/large_test.out | grep "Time in time loop "
 if [ `tail -n 1 results-Smilei-large/scalars.txt | awk '{print $4}'`  == "1.8759340122e+06" ] 
   then 
     echo "Validation passed"
   else 
     echo "Validation failed"
 fi
-
+cat results-Smilei-large/large_test.out | grep "Time in time loop "

Smilei/testcase_small/validate.sh

@@ -2,11 +2,11 @@
 set -e
 
 python $(dirname $0)/validate.py
-cat results-Smilei-small/small_test.out | grep "Time in time loop "
 if [ `tail -n 1 results-Smilei-small/scalars.txt | awk '{print $4}'`  == "4.6898134226e+05" ] 
 	then 
 		echo "Validation passed"
 	else 
 		echo "Validation failed"
 fi
+cat results-Smilei-small/small_test.out | grep "Time in time loop "