diff --git a/Tests/LibGfx/test-inputs/smolkling-horizontal-alpha.webp b/Tests/LibGfx/test-inputs/smolkling-horizontal-alpha.webp new file mode 100644 index 0000000000..e419893bec Binary files /dev/null and b/Tests/LibGfx/test-inputs/smolkling-horizontal-alpha.webp differ