Loosen checking on the bytes following 'stream'

testing/resources/pixel/bug_543018_2.in

Index: testing/resources/pixel/bug_543018_2.in
diff --git a/testing/resources/pixel/bug_524043_1.in b/testing/resources/pixel/bug_543018_2.in
similarity index 75%
copy from testing/resources/pixel/bug_524043_1.in
copy to testing/resources/pixel/bug_543018_2.in
index 61ac6f4bb27b80dd3d4261cc23b9a83fa7a17ce3..4562e58c27e04b1a4860e55ef1df45737f79cb05 100644
--- a/testing/resources/pixel/bug_524043_1.in
+++ b/testing/resources/pixel/bug_543018_2.in
@@ -34,13 +34,14 @@ endobj
   /BaseFont /Helvetica
 >>
 endobj
-% Case 1:
-%   /Length identifies intended end of stream, despite embedded keywords.
-%   Both should render as text.
+% Case 2:
+%   Three white spaces and other chars follow the keyword "stream" 
+%   before end of line markers. They should be ignored. The content
+%   in stream should be rendered as text.
 {{object 6 0}} <<
   /Length 107
 >>
-stream
+stream   "this part will be ignored"
 BT
 20 50 Td
 /F1 12 Tf