fix unit test

Author: Kuermel

spec/unit/type/elasticsearch_role_mapping_spec.rb

@@ -44,7 +44,7 @@
     describe 'name' do
       it 'should reject long role names' do
         expect { described_class.new(
-          :name => 'a' * 31
+          :name => 'a' * 41
         ) }.to raise_error(
           Puppet::ResourceError,
           /valid values/i

spec/unit/type/elasticsearch_role_spec.rb

@@ -44,7 +44,7 @@
     describe 'name' do
       it 'should reject long role names' do
         expect { described_class.new(
-          :name => 'a' * 31
+          :name => 'a' * 41
         ) }.to raise_error(
           Puppet::ResourceError,
           /valid values/i