tools/bootconfig: Add a summary of test cases and return error

Add summary lines of test cases and return an error
code if any test case fails so that tester don't have
to monitor the output.

Link: https://lkml.kernel.org/r/158898590533.22749.10269622752797822320.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

tools/bootconfig/test-bootconfig.sh

@@ -124,9 +124,16 @@ for i in samples/good-* ; do
   xpass $BOOTCONF -a $i $INITRD
 done
 
+
+echo
+echo "=== Summary ==="
+echo "# of Passed: $(expr $NO - $NG - 1)"
+echo "# of Failed: $NG"
+
 echo
 if [ $NG -eq 0 ]; then
 	echo "All tests passed"
 else
 	echo "$NG tests failed"
+	exit 1
 fi