diff --git a/internal/eventstore/v2/repository/sql/crdb_test.go b/internal/eventstore/v2/repository/sql/crdb_test.go
index 0ef58a5f92..ce3d02cb3e 100644
--- a/internal/eventstore/v2/repository/sql/crdb_test.go
+++ b/internal/eventstore/v2/repository/sql/crdb_test.go
@@ -1,6 +1,7 @@
 package sql
 
 import (
+	"context"
 	"testing"
 
 	"github.com/caos/zitadel/internal/eventstore/v2/repository"
@@ -260,3 +261,72 @@ func TestCRDB_columnName(t *testing.T) {
 		})
 	}
 }
+
+func TestCRDB_Push(t *testing.T) {
+	type args struct {
+		events []*repository.Event
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "push no events",
+			args: args{
+				events: []*repository.Event{},
+			},
+			wantErr: false,
+		},
+		{
+			name: "push 1 event with check previous",
+			args: args{
+				events: []*repository.Event{
+					{
+						// AggregateID:           t.Name(),
+						AggregateType:         "test",
+						CheckPreviousSequence: true,
+						EditorService:         "svc",
+						EditorUser:            "user",
+						PreviousEvent:         nil,
+						PreviousSequence:      0,
+						ResourceOwner:         "ro",
+						Type:                  "test.created",
+						Version:               "v1",
+					},
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "push 1 event with check previous wrong sequence",
+			args: args{
+				events: []*repository.Event{
+					{
+						// AggregateID:           t.Name(),
+						AggregateType:         "test",
+						CheckPreviousSequence: true,
+						EditorService:         "svc",
+						EditorUser:            "user",
+						PreviousEvent:         nil,
+						PreviousSequence:      5,
+						ResourceOwner:         "ro",
+						Type:                  "test.created",
+						Version:               "v1",
+					},
+				},
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			db := &CRDB{
+				client: testCRDBClient,
+			}
+			if err := db.Push(context.Background(), tt.args.events...); (err != nil) != tt.wantErr {
+				t.Errorf("CRDB.Push() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}
diff --git a/internal/eventstore/v2/repository/sql/local_crdb_test.go b/internal/eventstore/v2/repository/sql/local_crdb_test.go
index 1b347105f6..df45be8230 100644
--- a/internal/eventstore/v2/repository/sql/local_crdb_test.go
+++ b/internal/eventstore/v2/repository/sql/local_crdb_test.go
@@ -20,7 +20,7 @@ import (
 
 var (
 	migrationsPath = os.ExpandEnv("${GOPATH}/src/github.com/caos/zitadel/migrations/cockroach")
-	db             *sql.DB
+	testCRDBClient *sql.DB
 )
 
 func TestMain(m *testing.M) {
@@ -29,13 +29,13 @@ func TestMain(m *testing.M) {
 		logging.LogWithFields("REPOS-RvjLG", "error", err).Fatal("unable to start db")
 	}
 
-	db, err = sql.Open("postgres", ts.PGURL().String())
+	testCRDBClient, err = sql.Open("postgres", ts.PGURL().String())
 	if err != nil {
 		logging.LogWithFields("REPOS-CF6dQ", "error", err).Fatal("unable to connect to db")
 	}
 
 	defer func() {
-		db.Close()
+		testCRDBClient.Close()
 		ts.Stop()
 	}()
 
@@ -47,7 +47,7 @@ func TestMain(m *testing.M) {
 }
 
 func TestInsert(t *testing.T) {
-	crdb := &CRDB{client: db}
+	crdb := &CRDB{client: testCRDBClient}
 	e1 := &repository.Event{
 		AggregateID:           "agg.id",
 		AggregateType:         "agg.type",
@@ -155,7 +155,7 @@ func TestInsert(t *testing.T) {
 	}
 
 	fmt.Println("====================")
-	rows, err := db.Query("select * from eventstore.events order by event_sequence")
+	rows, err := testCRDBClient.Query("select * from eventstore.events order by event_sequence")
 	defer rows.Close()
 	fmt.Println(err)
 
@@ -184,7 +184,7 @@ func TestInsert(t *testing.T) {
 		fmt.Printf("%+v\n", event)
 	}
 	fmt.Println("====================")
-	rows, err = db.Query("select max(event_sequence), count(*) from eventstore.events where aggregate_type = 'agg.type' and aggregate_id = 'agg.id'")
+	rows, err = testCRDBClient.Query("select max(event_sequence), count(*) from eventstore.events where aggregate_type = 'agg.type' and aggregate_id = 'agg.id'")
 	defer rows.Close()
 	fmt.Println(err)
 
@@ -209,10 +209,10 @@ func executeMigrations() error {
 			return err
 		}
 		transactionInMigration := strings.Contains(string(migration), "BEGIN;")
-		exec := db.Exec
+		exec := testCRDBClient.Exec
 		var tx *sql.Tx
 		if !transactionInMigration {
-			tx, err = db.Begin()
+			tx, err = testCRDBClient.Begin()
 			if err != nil {
 				return fmt.Errorf("begin file: %v || err: %w", file, err)
 			}