tests/screentest: fix screentests

- Removed obsolete screenshot.
- Fixed path to prevent redirect during badge test.

Change-Id: Ifcac992546cbc01d7ce03225630eb14ccd8d5383
Reviewed-on: https://go-review.googlesource.com/c/pkgsite/+/385202
Trust: Jamal Carvalho <jamal@golang.org>
Run-TryBot: Jamal Carvalho <jamal@golang.org>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jonathan Amsterdam <jba@google.com>
diff --git a/tests/screentest/testcases.txt b/tests/screentest/testcases.txt
index 1524c35..e705816 100644
--- a/tests/screentest/testcases.txt
+++ b/tests/screentest/testcases.txt
@@ -144,7 +144,7 @@
 capture fullscreen 540x1080
 
 test badge
-pathname /badge
+pathname /badge/
 capture fullscreen
 capture fullscreen 540x1080
 
diff --git a/tests/screentest/testdata/empty-jump-to-modal.a.png b/tests/screentest/testdata/empty-jump-to-modal.a.png
deleted file mode 100644
index fdcdf68..0000000
--- a/tests/screentest/testdata/empty-jump-to-modal.a.png
+++ /dev/null
Binary files differ