Show tests as they run

Makes it quicker to know which one failed and
the later fault injection does 2k lines of output
anyway so no need to economise

Author: rogerbinns

tools/coverage.sh

@@ -5,7 +5,7 @@ set -e
 
 if [ $# = 0 ]
 then
-  args="-m apsw.tests -f"
+  args="-m apsw.tests -vf"
 else
   args="$@"
 fi