diff --git a/tests/random/store_test.go b/tests/random/store_test.go
deleted file mode 100644
index ebb6029..0000000
--- a/tests/random/store_test.go
+++ /dev/null
@@ -1,140 +0,0 @@
-package random_test
-
-import (
-	"context"
-	"github/pippellia-btc/crawler/pkg/graph"
-	"github/pippellia-btc/crawler/pkg/walks"
-	"strconv"
-)
-
-type WalkStore struct {
-	nextID int
-	Walks  map[walks.ID]walks.Walk
-}
-
-func NewWalkStore() *WalkStore {
-	return &WalkStore{
-		Walks: make(map[walks.ID]walks.Walk, 1000),
-	}
-}
-
-// AddWalks adds walks with sequentials IDs
-func (s *WalkStore) AddWalks(w []walks.Walk) {
-	for _, walk := range w {
-		ID := walks.ID(strconv.Itoa(s.nextID))
-		s.nextID++
-
-		walk.ID = ID
-		s.Walks[ID] = walk
-	}
-}
-
-// ReplaceWalks reassigns the ID --> walk
-func (s *WalkStore) ReplaceWalks(w []walks.Walk) {
-	for _, walk := range w {
-		s.Walks[walk.ID] = walk
-	}
-}
-
-func (s *WalkStore) WalksVisiting(node graph.ID, limit int) []walks.Walk {
-	if limit == -1 {
-		limit = 1000000
-	}
-
-	visiting := make([]walks.Walk, 0, walks.N)
-	for _, walk := range s.Walks {
-		if len(visiting) >= limit {
-			break
-		}
-
-		if walk.Visits(node) {
-			visiting = append(visiting, walk)
-		}
-	}
-
-	return visiting
-}
-
-func (s *WalkStore) TotalVisits(ctx context.Context) (int, error) {
-	total := 0
-	for _, walk := range s.Walks {
-		total += walk.Len()
-	}
-	return total, nil
-}
-
-func (s *WalkStore) Visits(ctx context.Context, nodes ...graph.ID) ([]int, error) {
-	if len(nodes) == 0 {
-		return nil, nil
-	}
-
-	count := make(map[graph.ID]int, len(nodes))
-	for _, walk := range s.Walks {
-		for _, node := range walk.Path {
-			count[node]++
-		}
-	}
-
-	visits := make([]int, len(nodes))
-	for i, node := range nodes {
-		visits[i] = count[node]
-	}
-
-	return visits, nil
-}
-
-type mockLoader struct {
-	walker walks.Walker
-	store  *WalkStore
-}
-
-func NewMockLoader(walker walks.Walker) *mockLoader {
-	return &mockLoader{
-		walker: walker,
-		store:  NewWalkStore(),
-	}
-}
-
-func (l *mockLoader) Follows(ctx context.Context, node graph.ID) ([]graph.ID, error) {
-	return l.walker.Follows(ctx, node)
-}
-
-func (l *mockLoader) BulkFollows(ctx context.Context, nodes []graph.ID) ([][]graph.ID, error) {
-	var err error
-	follows := make([][]graph.ID, len(nodes))
-
-	for i, node := range nodes {
-		follows[i], err = l.walker.Follows(ctx, node)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	return follows, nil
-}
-
-func (l *mockLoader) AddWalks(w []walks.Walk) {
-	l.store.AddWalks(w)
-}
-
-func (l *mockLoader) WalksVisitingAny(ctx context.Context, nodes []graph.ID, limit int) ([]walks.Walk, error) {
-	if len(nodes) == 0 {
-		return nil, nil
-	}
-
-	if limit == -1 {
-		limit = 1000000
-	}
-
-	limitPerNode := limit / len(nodes)
-	if limitPerNode <= 0 {
-		return nil, nil
-	}
-
-	visiting := make([]walks.Walk, 0, limit)
-	for _, node := range nodes {
-		visiting = append(visiting, l.store.WalksVisiting(node, limitPerNode)...)
-	}
-
-	return visiting, nil
-}
diff --git a/tests/random/utils_test.go b/tests/random/utils_test.go
index 9c965f0..b0a2827 100644
--- a/tests/random/utils_test.go
+++ b/tests/random/utils_test.go
@@ -1,12 +1,145 @@
 package random_test
 
 import (
+	"context"
 	"github/pippellia-btc/crawler/pkg/graph"
 	"github/pippellia-btc/crawler/pkg/walks"
 	"math"
 	"strconv"
 )
 
+type WalkStore struct {
+	nextID int
+	Walks  map[walks.ID]walks.Walk
+}
+
+func NewWalkStore() *WalkStore {
+	return &WalkStore{
+		Walks: make(map[walks.ID]walks.Walk, 1000),
+	}
+}
+
+// AddWalks adds walks with sequentials IDs
+func (s *WalkStore) AddWalks(w []walks.Walk) {
+	for _, walk := range w {
+		ID := walks.ID(strconv.Itoa(s.nextID))
+		s.nextID++
+
+		walk.ID = ID
+		s.Walks[ID] = walk
+	}
+}
+
+// ReplaceWalks reassigns the ID --> walk
+func (s *WalkStore) ReplaceWalks(w []walks.Walk) {
+	for _, walk := range w {
+		s.Walks[walk.ID] = walk
+	}
+}
+
+func (s *WalkStore) WalksVisiting(node graph.ID, limit int) []walks.Walk {
+	if limit == -1 {
+		limit = 1000000
+	}
+
+	visiting := make([]walks.Walk, 0, walks.N)
+	for _, walk := range s.Walks {
+		if len(visiting) >= limit {
+			break
+		}
+
+		if walk.Visits(node) {
+			visiting = append(visiting, walk)
+		}
+	}
+
+	return visiting
+}
+
+func (s *WalkStore) TotalVisits(ctx context.Context) (int, error) {
+	total := 0
+	for _, walk := range s.Walks {
+		total += walk.Len()
+	}
+	return total, nil
+}
+
+func (s *WalkStore) Visits(ctx context.Context, nodes ...graph.ID) ([]int, error) {
+	if len(nodes) == 0 {
+		return nil, nil
+	}
+
+	count := make(map[graph.ID]int, len(nodes))
+	for _, walk := range s.Walks {
+		for _, node := range walk.Path {
+			count[node]++
+		}
+	}
+
+	visits := make([]int, len(nodes))
+	for i, node := range nodes {
+		visits[i] = count[node]
+	}
+
+	return visits, nil
+}
+
+type mockLoader struct {
+	walker walks.Walker
+	store  *WalkStore
+}
+
+func NewMockLoader(walker walks.Walker) *mockLoader {
+	return &mockLoader{
+		walker: walker,
+		store:  NewWalkStore(),
+	}
+}
+
+func (l *mockLoader) Follows(ctx context.Context, node graph.ID) ([]graph.ID, error) {
+	return l.walker.Follows(ctx, node)
+}
+
+func (l *mockLoader) BulkFollows(ctx context.Context, nodes []graph.ID) ([][]graph.ID, error) {
+	var err error
+	follows := make([][]graph.ID, len(nodes))
+
+	for i, node := range nodes {
+		follows[i], err = l.walker.Follows(ctx, node)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return follows, nil
+}
+
+func (l *mockLoader) AddWalks(w []walks.Walk) {
+	l.store.AddWalks(w)
+}
+
+func (l *mockLoader) WalksVisitingAny(ctx context.Context, nodes []graph.ID, limit int) ([]walks.Walk, error) {
+	if len(nodes) == 0 {
+		return nil, nil
+	}
+
+	if limit == -1 {
+		limit = 1000000
+	}
+
+	limitPerNode := limit / len(nodes)
+	if limitPerNode <= 0 {
+		return nil, nil
+	}
+
+	visiting := make([]walks.Walk, 0, limit)
+	for _, node := range nodes {
+		visiting = append(visiting, l.store.WalksVisiting(node, limitPerNode)...)
+	}
+
+	return visiting, nil
+}
+
 type Setup struct {
 	walker *walks.SimpleWalker
 	deltas []graph.Delta