diff --git a/core/migration_generator_test.go b/core/migration_generator_test.go
index 6bc1d29..8ff5a6a 100644
--- a/core/migration_generator_test.go
+++ b/core/migration_generator_test.go
@@ -1,11 +1,15 @@
 package core
 
 import (
+	"fmt"
 	"io/ioutil"
 	"log"
+	"math/rand"
 	"os"
 	"path"
 	"strings"
+	"testing"
+	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/suite"
@@ -20,6 +24,15 @@ func (s *MigrationGeneratorSuite) SetupSuite() {
 	s.command = &NewMigrationCommand{Directory: "/tmp"}
 }
 
+func (s *MigrationGeneratorSuite) Test_FileExists() {
+	var (
+		seededRand *rand.Rand = rand.New(rand.NewSource(time.Now().UnixNano()))
+		notExist              = fmt.Sprintf("/tmp/%d", seededRand.Int31())
+	)
+
+	assert.False(s.T(), s.command.FileExists(notExist))
+}
+
 func (s *MigrationGeneratorSuite) Test_Execute() {
 	found := false
 	assert.NoError(s.T(), s.command.Execute([]string{}))
@@ -37,3 +50,7 @@ func (s *MigrationGeneratorSuite) Test_Execute() {
 
 	assert.True(s.T(), found)
 }
+
+func Test_MigrationGenerator(t *testing.T) {
+	suite.Run(t, new(MigrationGeneratorSuite))
+}