Text Fragmentation: Incomplete phrases in string resources

Each String Resource should contain a complete phrase so that it can be localized.

Reviewing `puppet.pot` in Transifex (Localization Tool) reveals the following Text Fragmentation:

one of %{expected) are

%{expected} is

BAD_SLICE_KEY_TYPE

Content Source:

• https://github.com/puppetlabs/puppet/blob/master/locales/puppet.pot#L5096
• https://github.com/puppetlabs/puppet/blob/master/locales/puppet.pot#L5100

Point of Usage:

• https://github.com/puppetlabs/puppet/blob/master/lib/puppet/pops/issues.rb#L433