Added message string

Author: jeblad

i18n/en.json

@@ -0,0 +1,8 @@
+{
+	"@metadata": {
+		"authors": [
+			"Jeblad"
+		]
+	},
+	"expect-desc": "Provides advanced assertions to Lua modules"
+}

i18n/qqq.json

@@ -0,0 +1,8 @@
+{
+	"@metadata": {
+		"authors": [
+			"Jeblad"
+		]
+	},
+	"expect-desc": "{{expect-gloss}} {{desc|name=Expect|url=https://www.mediawiki.org/wiki/Extension:Expect }}"
+}