gendemo now uses the standard test mixins.

And with this, the gendemo package both compiles and passes tests
once again.  yay!  Onward!

_rsrch/nodesolution/node/gendemo/map_K_T_test.go

@@ -2,8 +2,30 @@ package gendemo
 
 import (
 	"testing"
+
+	"github.com/ipld/go-ipld-prime/_rsrch/nodesolution/node/mixins/tests"
 )
 
 func TestGennedMapStrInt(t *testing.T) {
-	CheckMapStrInt(t, Type__Map_K_T{})
+	tests.SpecTestMapStrInt(t, Type__Map_K_T{})
+}
+
+func BenchmarkMapStrInt_3n_AssembleStandard(b *testing.B) {
+	tests.SpecBenchmarkMapStrInt_3n_AssembleStandard(b, Type__Map_K_T{})
+}
+func BenchmarkMapStrInt_3n_AssembleDirectly(b *testing.B) {
+	tests.SpecBenchmarkMapStrInt_3n_AssembleDirectly(b, Type__Map_K_T{})
+}
+func BenchmarkMapStrInt_3n_Iteration(b *testing.B) {
+	tests.SpecBenchmarkMapStrInt_3n_Iteration(b, Type__Map_K_T{})
+}
+
+func BenchmarkMapStrInt_25n_AssembleStandard(b *testing.B) {
+	tests.SpecBenchmarkMapStrInt_25n_AssembleStandard(b, Type__Map_K_T{})
+}
+func BenchmarkMapStrInt_25n_AssembleDirectly(b *testing.B) {
+	tests.SpecBenchmarkMapStrInt_25n_AssembleDirectly(b, Type__Map_K_T{})
+}
+func BenchmarkMapStrInt_25n_Iteration(b *testing.B) {
+	tests.SpecBenchmarkMapStrInt_25n_Iteration(b, Type__Map_K_T{})
 }