Make TravisCI show failed if a test fails

Failed tests were not exiting the travis shell with
an error. Add a final step to make this happen.

.travis.yml

@@ -22,7 +22,7 @@ env:
       # Using configure and make, run the tests.
     - >
       BUILD_SCRIPT="FC='gfortran -fno-backtrace' ./configure &&
-      make -j 2 && make -j 2 check"
+      make -j 2 && make -j 2 check && ./testcheck.sh"
 
       # Using cmake - just build, tests not working yet.
     - >

testcheck.sh

@@ -0,0 +1,14 @@
+#!/bin/sh -e
+
+# Script to parse the output generated by make checkr.,
+# Exits with non-zero return code if any tests failed.
+# This can be used inside of a CI environment.
+
+for numerr in `grep RESULT check.out | grep Failed: | cut -d " " -f 4`
+  do 
+  if [ "$numerr" -ne "0" ]
+    then 
+    echo "At least one test failed. Examine check.out for details"
+    exit 1
+  fi
+done