diff --git a/config/config_test.go b/config/config_test.go
index 8019ed5..1aaa24e 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -11,7 +11,8 @@ func TestLoadDeafaultConfig(t *testing.T) {
 	tmpFile, err := os.CreateTemp("", "ut_config")
 	require.NoError(t, err)
 	defer os.Remove(tmpFile.Name())
-	tmpFile.Write([]byte(DefaultValues))
+	_, err = tmpFile.Write([]byte(DefaultValues))
+	require.NoError(t, err)
 	cfg, err := LoadFile(tmpFile.Name())
 	require.NoError(t, err)
 	require.NotNil(t, cfg)
@@ -26,7 +27,8 @@ func TestLoadConfigWithUnexpectedFields(t *testing.T) {
 	tmpFile, err := os.CreateTemp("", "ut_config")
 	require.NoError(t, err)
 	defer os.Remove(tmpFile.Name())
-	tmpFile.Write([]byte(configWithUnexpectedFields))
+	_, err = tmpFile.Write([]byte(configWithUnexpectedFields))
+	require.NoError(t, err)
 	cfg, err := LoadFile(tmpFile.Name())
 	require.NoError(t, err)
 	require.NotNil(t, cfg)
@@ -41,7 +43,8 @@ func TestLoadConfigWithForbiddenFields(t *testing.T) {
 	tmpFile, err := os.CreateTemp("", "ut_config")
 	require.NoError(t, err)
 	defer os.Remove(tmpFile.Name())
-	tmpFile.Write([]byte(configWithForbiddenFields))
+	_, err = tmpFile.Write([]byte(configWithForbiddenFields))
+	require.NoError(t, err)
 	cfg, err := LoadFile(tmpFile.Name())
 	require.NoError(t, err)
 	require.NotNil(t, cfg)