Use testify

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

snapshots/devmapper/config_test.go

@@ -25,8 +25,7 @@ import (
 
 	"github.com/hashicorp/go-multierror"
 	"github.com/pelletier/go-toml"
-	"gotest.tools/v3/assert"
-	is "gotest.tools/v3/assert/cmp"
+	"github.com/stretchr/testify/assert"
 )
 
 func TestLoadConfig(t *testing.T) {
@@ -37,28 +36,27 @@ func TestLoadConfig(t *testing.T) {
 	}
 
 	file, err := os.CreateTemp("", "devmapper-config-")
-	assert.NilError(t, err)
+	assert.NoError(t, err)
 
 	encoder := toml.NewEncoder(file)
 	err = encoder.Encode(&expected)
-	assert.NilError(t, err)
+	assert.NoError(t, err)
 
 	defer func() {
 		err := file.Close()
-		assert.NilError(t, err)
+		assert.NoError(t, err)
 
 		err = os.Remove(file.Name())
-		assert.NilError(t, err)
+		assert.NoError(t, err)
 	}()
 
 	loaded, err := LoadConfig(file.Name())
-	assert.NilError(t, err)
+	assert.NoError(t, err)
 
 	assert.Equal(t, loaded.RootPath, expected.RootPath)
 	assert.Equal(t, loaded.PoolName, expected.PoolName)
 	assert.Equal(t, loaded.BaseImageSize, expected.BaseImageSize)
-
-	assert.Assert(t, loaded.BaseImageSizeBytes == 128*1024*1024)
+	assert.True(t, loaded.BaseImageSizeBytes == 128*1024*1024)
 }
 
 func TestLoadConfigInvalidPath(t *testing.T) {
@@ -66,7 +64,7 @@ func TestLoadConfigInvalidPath(t *testing.T) {
 	assert.Equal(t, os.ErrNotExist, err)
 
 	_, err = LoadConfig("/dev/null")
-	assert.Assert(t, err != nil)
+	assert.NotNil(t, err)
 }
 
 func TestParseInvalidData(t *testing.T) {
@@ -81,15 +79,15 @@ func TestParseInvalidData(t *testing.T) {
 func TestFieldValidation(t *testing.T) {
 	config := &Config{}
 	err := config.Validate()
-	assert.Assert(t, err != nil)
+	assert.NotNil(t, err)
 
 	multErr := (err).(*multierror.Error)
-	assert.Assert(t, is.Len(multErr.Errors, 4))
+	assert.Len(t, multErr.Errors, 4)
 
-	assert.Assert(t, multErr.Errors[0] != nil, "pool_name is empty")
-	assert.Assert(t, multErr.Errors[1] != nil, "root_path is empty")
-	assert.Assert(t, multErr.Errors[2] != nil, "base_image_size is empty")
-	assert.Assert(t, multErr.Errors[3] != nil, "filesystem type cannot be empty")
+	assert.NotNil(t, multErr.Errors[0], "pool_name is empty")
+	assert.NotNil(t, multErr.Errors[1], "root_path is empty")
+	assert.NotNil(t, multErr.Errors[2], "base_image_size is empty")
+	assert.NotNil(t, multErr.Errors[3], "filesystem type cannot be empty")
 }
 
 func TestExistingPoolFieldValidation(t *testing.T) {
@@ -101,5 +99,5 @@ func TestExistingPoolFieldValidation(t *testing.T) {
 	}
 
 	err := config.Validate()
-	assert.NilError(t, err)
+	assert.NoError(t, err)
 }