Fixes #163 - small fix in the mangling logic, renames all expected test files

test/run.sh

Index: test/run.sh
diff --git a/test/run.sh b/test/run.sh
index 2eb5ea86294a7c7e9c150da33927d7ef85773de8..6e4cd5c7c159c590a9deeb86ff03a2b24d4af4dd 100755
--- a/test/run.sh
+++ b/test/run.sh
@@ -82,12 +82,12 @@ popd
 # wrapper that sets `--enable-type-checks --enable-asserts`
 for input in $DIR/data/input/*_test.html; do
   if [[ ($TEST_PATTERN == "") || ($input =~ $TEST_PATTERN) ]]; then
-    FILENAME=`basename $input.html`
+    FILENAME=`basename $input`
     echo -e -n "Testing $FILENAME "
     DUMP="$DIR/data/output/$FILENAME.txt"
     EXPECTATION="$DIR/data/expected/$FILENAME.txt"
     DART_PACKAGE_ROOT="file://$DIR/packages/" \
-        DumpRenderTree $DIR/data/output/_$FILENAME > $DUMP
+        DumpRenderTree $DIR/data/output/$FILENAME > $DUMP
 
     compare $EXPECTATION $DUMP
   fi