add stat and fix get place

internal/tests/statistics_test.go

@@ -0,0 +1,18 @@
+package tests
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_StoryStatistics(t *testing.T) {
+	client, close := getClient()
+	defer close()
+
+	getGraphResp, err := getGraph(client)
+	assert.Nil(t, err, "запрос отправлен успешно")
+
+	assert.Equal(t, 5, int(getGraphResp.CountNodes))
+	assert.Equal(t, 3, int(getGraphResp.CountEdges))
+}