chore: refactor structure

internal/game/cmd_group_test.go

@@ -0,0 +1,17 @@
+package game_test
+
+import (
+	"testing"
+
+	"github.com/iliadenisov/galaxy/internal/controller"
+	"github.com/iliadenisov/galaxy/internal/game"
+	mg "github.com/iliadenisov/galaxy/internal/model/game"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestJoinEqualGroups(t *testing.T) {
+	g(t, func(p func(*controller.Param), g func() mg.Game) {
+		err := game.JoinEqualGroups(p, "race_01")
+		assert.NoError(t, err)
+	})
+}