Index: tests/metadata.gecko-webext
diff --git a/tests/metadata.gecko-webext b/tests/metadata.gecko-webext
new file mode 100644
index 0000000000000000000000000000000000000000..be164520b5ee2963006ff502c48ebb113531d65f
--- /dev/null
+++ b/tests/metadata.gecko-webext
@@ -0,0 +1,13 @@
+[default]
+inherit = metadata.chrome
+
+[general]
+id={d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
+basename = adblockplusfirefox
+devbuildUpdateURL = https://downloads.adblockplus.org/devbuilds/adblockplusfirefox/updates.json
+
+[compat]
+gecko = 50.0
+
+[convert_js]
+lib/foo.js -= lib/a.js