Refactor nettests into top tree

nettests/groups.go

@@ -0,0 +1,39 @@
+package nettests
+
+// NettestGroup base structure
+type NettestGroup struct {
+	Label    string
+	Nettests []Nettest
+}
+
+// NettestGroups that can be run by the user
+var NettestGroups = map[string]NettestGroup{
+	"websites": NettestGroup{
+		Label: "Websites",
+		Nettests: []Nettest{
+			WebConnectivity{},
+		},
+	},
+	"performance": NettestGroup{
+		Label: "Performance",
+		Nettests: []Nettest{
+			Dash{},
+			NDT{},
+		},
+	},
+	"middlebox": NettestGroup{
+		Label: "Middleboxes",
+		Nettests: []Nettest{
+			HTTPInvalidRequestLine{},
+			HTTPHeaderFieldManipulation{},
+		},
+	},
+	"im": NettestGroup{
+		Label: "Instant Messaging",
+		Nettests: []Nettest{
+			FacebookMessenger{},
+			Telegram{},
+			WhatsApp{},
+		},
+	},
+}