add vendoring with go dep

vendor/github.com/influxdata/influxdb/models/points_internal_test.go

@@ -0,0 +1,17 @@
+package models
+
+import "testing"
+
+func TestMarshalPointNoFields(t *testing.T) {
+	points, err := ParsePointsString("m,k=v f=0i")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// It's unclear how this can ever happen, but we've observed points that were marshalled without any fields.
+	points[0].(*point).fields = []byte{}
+
+	if _, err := points[0].MarshalBinary(); err != ErrPointMustHaveAField {
+		t.Fatalf("got error %v, exp %v", err, ErrPointMustHaveAField)
+	}
+}