make bash8 take a -v flag

this ensures that we actually know we are processing all the files
we believe we are.

Change-Id: I8e99b5f9dc987c946586475f374f7040ca63a478
diff --git a/run_tests.sh b/run_tests.sh
index b4f26c5..a0bfbee 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -26,4 +26,4 @@
 
 echo "Running bash8..."
 
-./tools/bash8.py $FILES
+./tools/bash8.py -v $FILES