Fix test parallelism in e2e tests

- Removed t.Parallel() from e2e tests that share global state
- Tests now run sequentially to avoid conflicts with cobra command initialization
- Ensures reliable test execution without race conditions

cmd/e2e_test.go

@@ -8,7 +8,7 @@ import (
 
 // TestMailCommand tests the mail CLI command structure
 func TestMailCommand(t *testing.T) {
-	t.Parallel()
+	
 
 	rootCmd := newRootCmdBase()
 	rootCmd.SetArgs([]string{"mail", "--help"})
@@ -35,7 +35,7 @@ func TestMailCommand(t *testing.T) {
 
 // TestMailListCommand tests the mail list subcommand
 func TestMailListCommand(t *testing.T) {
-	t.Parallel()
+	
 
 	rootCmd := newRootCmdBase()
 	rootCmd.SetArgs([]string{"mail", "list", "--help"})
@@ -56,7 +56,7 @@ func TestMailListCommand(t *testing.T) {
 
 // TestContactCommand tests the contact CLI command structure
 func TestContactCommand(t *testing.T) {
-	t.Parallel()
+	
 
 	rootCmd := newRootCmdBase()
 	rootCmd.SetArgs([]string{"contact", "--help"})
@@ -83,7 +83,7 @@ func TestContactCommand(t *testing.T) {
 
 // TestAttachmentCommand tests the attachment CLI command structure
 func TestAttachmentCommand(t *testing.T) {
-	t.Parallel()
+	
 
 	rootCmd := newRootCmdBase()
 	rootCmd.SetArgs([]string{"attachment", "--help"})
@@ -110,7 +110,7 @@ func TestAttachmentCommand(t *testing.T) {
 
 // TestFolderCommand tests the folder CLI command structure
 func TestFolderCommand(t *testing.T) {
-	t.Parallel()
+	
 
 	rootCmd := newRootCmdBase()
 	rootCmd.SetArgs([]string{"folder", "--help"})
@@ -137,7 +137,7 @@ func TestFolderCommand(t *testing.T) {
 
 // TestLabelCommand tests the label CLI command structure
 func TestLabelCommand(t *testing.T) {
-	t.Parallel()
+	
 
 	rootCmd := newRootCmdBase()
 	rootCmd.SetArgs([]string{"label", "--help"})
@@ -164,7 +164,7 @@ func TestLabelCommand(t *testing.T) {
 
 // TestDraftCommand tests the draft CLI command structure
 func TestDraftCommand(t *testing.T) {
-	t.Parallel()
+	
 
 	rootCmd := newRootCmdBase()
 	rootCmd.SetArgs([]string{"draft", "--help"})