Provide additional time for this task to fail

Author: Kevin Paulisse

spec/octocatalog-diff/tests/util/parallel_spec.rb

@@ -227,7 +227,7 @@ def validate(arg, _logger = nil)
     it 'should kill other tasks when a validator method fails' do
       class Foo
         def one(arg, _logger = nil)
-          sleep 1
+          sleep 10
           'one ' + arg
         end