add more tests

cmd/pruner/pruner_test.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/genudine/saerro-go/store/storemock"
+)
+
+func TestRun(t *testing.T) {
+	ps := new(storemock.MockPlayerStore)
+	vs := new(storemock.MockVehicleStore)
+
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second*30)
+	defer cancel()
+
+	ps.On("Prune", ctx).Return(30, nil)
+	vs.On("Prune", ctx).Return(30, nil)
+
+	run(ctx, ps, vs)
+}