Remove todo for delete() and update spec

This spec should verify that substring matches are not removed in the
future

Author: hunner

CHANGELOG.md

@@ -14,7 +14,6 @@ This release provides several new functions, bugfixes, modulesync changes, and s
 - Extends `suffix` to support applying a suffix to keys in a hash.
 - Apply modulesync changes.
 - Add validate_email_address function.
-- Add support for regular expressions to delete.
 
 ####Bugfixes
 - Fixes `fqdn_rand_string` tests, since Puppet 4.4.0 and later have a higher `fqdn_rand` ceiling.

spec/functions/delete_spec.rb

@@ -13,6 +13,7 @@
     it { is_expected.to run.with_params(['two'], 'two').and_return([]) }
     it { is_expected.to run.with_params(['two', 'two'], 'two').and_return([]) }
     it { is_expected.to run.with_params(['one', 'two', 'three'], 'four').and_return(['one', 'two', 'three']) }
+    it { is_expected.to run.with_params(['one', 'two', 'three'], 'e').and_return(['one', 'two', 'three']) }
     it { is_expected.to run.with_params(['one', 'two', 'three'], 'two').and_return(['one', 'three']) }
     it { is_expected.to run.with_params(['two', 'one', 'two', 'three', 'two'], 'two').and_return(['one', 'three']) }
     it { is_expected.to run.with_params(['one', 'two', 'three', 'two'], ['one', 'two']).and_return(['three']) }