Added timeout to unit tests

scripts/unit_tests/driver.sh

@@ -28,12 +28,13 @@ binary_name=$1
 mode=$2
 timestamp=$(date "+%Y-%m-%d-%H:%M:%S")
 log_file="unit_tests_${timestamp}.log"
+mpi_timeout=$((20 * 60)) # 20 minutes in seconds
 
 # Function to execute mpirun command
 function run_mpirun {
     local np=$1
     local gtest_filter=$2
-    cmd_str="mpirun -np $np $binary_name --gtest_filter=$gtest_filter >> $log_file 2>&1"
+    cmd_str="mpirun -np $np --timeout $mpi_timeout $binary_name --gtest_filter=$gtest_filter >> $log_file 2>&1"
     echo $cmd_str
     eval $cmd_str