diff --git a/testing/resources/hello_world.in b/testing/resources/hello_world.in
index d3cf265..6fd836d 100644
--- a/testing/resources/hello_world.in
+++ b/testing/resources/hello_world.in
@@ -36,6 +36,7 @@
 >>
 endobj
 {{object 6 0}} <<
+  % Note this object deliberately does not use {{streamlen}}.
 >>
 stream
 BT
diff --git a/testing/resources/hello_world.pdf b/testing/resources/hello_world.pdf
index dcde8f7..1478e1f 100644
--- a/testing/resources/hello_world.pdf
+++ b/testing/resources/hello_world.pdf
@@ -37,6 +37,7 @@
 >>
 endobj
 6 0 obj <<
+  % Note this object deliberately does not use /Length 83.
 >>
 stream
 BT
@@ -58,7 +59,10 @@
 0000000303 00000 n 
 0000000381 00000 n 
 0000000457 00000 n 
-trailer<< /Root 1 0 R /Size 7 >>
+trailer <<
+  /Root 1 0 R
+  /Size 7
+>>
 startxref
-578
+637
 %%EOF