Test adding a new account

[DenBond7]

I. Gmail accounts (OAuth 2.0)

• 1. no_accounts = true, has_backup = true

• • Use another account
• • Skip remaining backups

• 2. no_accounts = true, has_backup = false

• • Create a new key
• • Import existing key
• • Choose another account
• • Skip remaining backups

• 3. no_accounts = false, has_backup = true

• • Choose another account
• • Use existing keys
• • Skip remaining backups

• 4. no_accounts = false, has_backup = false

• • Create a new key
• • Import existing key
• • Import existing key -> Use existing keys
• • Choose another account
• • Use existing keys
• • Skip remaining backups

II. non-Gmail accounts

• 1. no_accounts = true, has_backup = true

• • Use another account
• • Skip remaining backups

• 2. no_accounts = true, has_backup = false

• • Create a new key
• • Import existing key
• • Choose another account
• • Skip remaining backups

• 3. no_accounts = false, has_backup = true

• • Choose another account
• • Use existing keys
• • Skip remaining backups

• 4. no_accounts = false, has_backup = false

• • Create a new key
• • Import existing key
• • Import existing key -> Use existing keys
• • Choose another account
• • Use existing keys
• • Skip remaining backups

III. enterprise accounts (like Flowcrypt)

• 1. no_accounts = true, has_backup = true

• • Use another account
• • Skip remaining backups

• 2. no_accounts = true, has_backup = false

• • Create a new key
• • Import existing key
• • Choose another account
• • Skip remaining backups

• 3. no_accounts = false, has_backup = true

• • Choose another account
• • Use existing keys
• • Skip remaining backups

• 4. no_accounts = false, has_backup = false

• • Create a new key
• • Import existing key
• • Import existing key -> Use existing keys
• • Choose another account
• • Use existing keys
• • Skip remaining backups

[DenBond7]

Moved to later. I'll back to this issue after we'll drop Node.