diff --git a/parse_test.go b/parse_test.go
index 0bc97e3..d201b2f 100644
--- a/parse_test.go
+++ b/parse_test.go
@@ -580,7 +580,7 @@ func TestEnvironmentVariableRequired(t *testing.T) {
 	assert.Equal(t, "bar", args.Foo)
 }
 
-func TestEnvironmentVariableSliceArgumentString(t *testing.T)  {
+func TestEnvironmentVariableSliceArgumentString(t *testing.T) {
 	var args struct {
 		Foo []string `arg:"env"`
 	}
@@ -589,7 +589,7 @@ func TestEnvironmentVariableSliceArgumentString(t *testing.T)  {
 	assert.Equal(t, []string{"bar", "baz, qux"}, args.Foo)
 }
 
-func TestEnvironmentVariableSliceArgumentInteger(t *testing.T)  {
+func TestEnvironmentVariableSliceArgumentInteger(t *testing.T) {
 	var args struct {
 		Foo []int `arg:"env"`
 	}
@@ -598,7 +598,7 @@ func TestEnvironmentVariableSliceArgumentInteger(t *testing.T)  {
 	assert.Equal(t, []int{1, 99}, args.Foo)
 }
 
-func TestEnvironmentVariableSliceArgumentFloat(t *testing.T)  {
+func TestEnvironmentVariableSliceArgumentFloat(t *testing.T) {
 	var args struct {
 		Foo []float32 `arg:"env"`
 	}
@@ -607,7 +607,7 @@ func TestEnvironmentVariableSliceArgumentFloat(t *testing.T)  {
 	assert.Equal(t, []float32{1.1, 99.9}, args.Foo)
 }
 
-func TestEnvironmentVariableSliceArgumentBool(t *testing.T)  {
+func TestEnvironmentVariableSliceArgumentBool(t *testing.T) {
 	var args struct {
 		Foo []bool `arg:"env"`
 	}
@@ -616,7 +616,7 @@ func TestEnvironmentVariableSliceArgumentBool(t *testing.T)  {
 	assert.Equal(t, []bool{true, false, false, true}, args.Foo)
 }
 
-func TestEnvironmentVariableSliceArgumentWrongCsv(t *testing.T)  {
+func TestEnvironmentVariableSliceArgumentWrongCsv(t *testing.T) {
 	var args struct {
 		Foo []int `arg:"env"`
 	}
@@ -625,7 +625,7 @@ func TestEnvironmentVariableSliceArgumentWrongCsv(t *testing.T)  {
 	assert.Error(t, err)
 }
 
-func TestEnvironmentVariableSliceArgumentWrongType(t *testing.T)  {
+func TestEnvironmentVariableSliceArgumentWrongType(t *testing.T) {
 	var args struct {
 		Foo []bool `arg:"env"`
 	}