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

test/data/expected/news_index_test.html.html.txt

Index: test/data/expected/news_index_test.html.html.txt
diff --git a/test/data/expected/news_index_test.html.html.txt b/test/data/expected/news_index_test.html.html.txt
deleted file mode 100644
index dd2068656ac6219a8e7a332b2344326c64e949dd..0000000000000000000000000000000000000000
--- a/test/data/expected/news_index_test.html.html.txt
+++ /dev/null
@@ -1,53 +0,0 @@
-Blocked access to external URL http://dart.googlecode.com/svn/branches/bleeding_edge/dart/client/dart.js
-Blocked access to external URL http://dart.googlecode.com/svn/branches/bleeding_edge/dart/client/dart.js
-Content-Type: text/plain
-layer at (0,0) size 800x600
-  RenderView at (0,0) size 800x600
-layer at (0,0) size 800x380
-  RenderBlock {HTML} at (0,0) size 800x381
-    RenderBody {BODY} at (8,21) size 784x344
-      RenderBlock {H1} at (0,0) size 784x37
-        RenderText {#text} at (0,0) size 477x36
-          text run at (0,0) width 477: "Simple Web Components Example"
-      RenderBlock {UL} at (0,58) size 784x286
-        RenderBlock {DIV} at (40,0) size 744x134 [color=#FF0000] [border: (1px dashed #800080)]
-          RenderBlock {H2} at (1,25) size 742x37
-            RenderText {#text} at (0,0) size 209x35
-              text run at (0,0) width 209: "Breaking Stories"
-          RenderBlock {UL} at (1,86) size 742x47
-            RenderListItem {LI} at (40,0) size 702x23
-              RenderListMarker at (-19,0) size 8x22: white bullet
-              RenderInline {A} at (0,0) size 96x22 [color=#0000EE]
-                RenderText {#text} at (0,0) size 96x22
-                  text run at (0,0) width 96: "Also a story"
-            RenderListItem {LI} at (40,23) size 702x23
-              RenderListMarker at (-19,0) size 8x22: white bullet
-              RenderInline {A} at (0,0) size 113x22 [color=#0000EE]
-                RenderText {#text} at (0,0) size 113x22
-                  text run at (0,0) width 113: "Horrible story"
-        RenderBlock {DIV} at (40,133) size 744x152 [border: (1px solid #00FFFF)]
-          RenderBlock {H2} at (1,22) size 742x28
-            RenderText {#text} at (0,0) size 122x26
-              text run at (0,0) width 122: "Other News"
-          RenderBlock {UL} at (1,69) size 742x81
-            RenderListItem {LI} at (40,0) size 702x20
-              RenderListMarker at (-18,0) size 7x19: white bullet
-              RenderInline {A} at (0,0) size 45x19 [color=#0000EE]
-                RenderText {#text} at (0,0) size 45x19
-                  text run at (0,0) width 45: "A story"
-            RenderListItem {LI} at (40,20) size 702x20
-              RenderListMarker at (-18,0) size 7x19: white bullet
-              RenderInline {A} at (0,0) size 83x19 [color=#0000EE]
-                RenderText {#text} at (0,0) size 83x19
-                  text run at (0,0) width 83: "Another story"
-            RenderListItem {LI} at (40,40) size 702x20
-              RenderListMarker at (-18,0) size 7x19: white bullet
-              RenderInline {A} at (0,0) size 105x19 [color=#0000EE]
-                RenderText {#text} at (0,0) size 105x19
-                  text run at (0,0) width 105: "Yet another story"
-            RenderListItem {LI} at (40,60) size 702x20
-              RenderListMarker at (-18,0) size 7x19: white bullet
-              RenderInline {A} at (0,0) size 95x19 [color=#0000EE]
-                RenderText {#text} at (0,0) size 95x19
-                  text run at (0,0) width 95: "Awesome story"
-#EOF