Fixed travis CI exit status

Author: AnkitBarik

.travis.yml

@@ -24,6 +24,5 @@ script:
     - export FC=/usr/bin/gfortran-5
     - export CC=/usr/bin/gcc-5
     - cd samples
-    - cat /proc/cpuinfo
     - export OMP_NUM_THREADS=1
-    - ./magic_wizard.py --use-mpi --nranks 4 --use-openmp --nthreads 1 --level 0 --mpicmd mpirun
+    - ./magic_wizard.py --use-mpi --nranks 2 --use-openmp --nthreads 1 --level 0 --mpicmd mpirun

samples/magic_wizard.py

@@ -381,7 +381,9 @@ def getSuite(startdir, cmd, precision, args):
     print('----------------------')
     suite = getSuite(startdir, cmd, precision, args)
     runner = unittest.TextTestRunner(verbosity=0)
-    runner.run(suite)
+    ret = not runner.run(suite).wasSuccessful()
 
     # Clean build directory
     clean_exec_dir(execDir)
+
+    sys.exit(ret)