Create sdk/ and api/ submodules (#6583)

sdk/framework/testing.go

@@ -0,0 +1,15 @@
+package framework
+
+import (
+	"testing"
+)
+
+// TestBackendRoutes is a helper to test that all the given routes will
+// route properly in the backend.
+func TestBackendRoutes(t *testing.T, b *Backend, rs []string) {
+	for _, r := range rs {
+		if b.Route(r) == nil {
+			t.Fatalf("bad route: %s", r)
+		}
+	}
+}