Fix wrong test description

The value with a white space should be accepted instead of being
rejected. This change fixes the wrong test case description and makes
sure the description explains what is actually tested.

Change-Id: I4804617c448e3ea8f65e8b971b1cafcde0a1d321

spec/unit/type/nova_api_metadata_uwsgi_config_spec.rb

@@ -33,7 +33,7 @@ describe 'Puppet::Type.type(:nova_api_metadata_uwsgi_config)' do
     expect(@nova_api_metadata_uwsgi_config[:value]).to eq('bar')
   end
 
-  it 'should not accept a value with whitespace' do
+  it 'should accept a value with whitespace' do
     @nova_api_metadata_uwsgi_config[:value] = 'b ar'
     expect(@nova_api_metadata_uwsgi_config[:value]).to eq('b ar')
   end

spec/unit/type/nova_api_uwsgi_config_spec.rb

@@ -33,7 +33,7 @@ describe 'Puppet::Type.type(:nova_api_uwsgi_config)' do
     expect(@nova_api_uwsgi_config[:value]).to eq('bar')
   end
 
-  it 'should not accept a value with whitespace' do
+  it 'should accept a value with whitespace' do
     @nova_api_uwsgi_config[:value] = 'b ar'
     expect(@nova_api_uwsgi_config[:value]).to eq('b ar')
   end

spec/unit/type/nova_config_spec.rb

@@ -33,7 +33,7 @@ describe 'Puppet::Type.type(:nova_config)' do
     expect(@nova_config[:value]).to eq(['bar'])
   end
 
-  it 'should not accept a value with whitespace' do
+  it 'should accept a value with whitespace' do
     @nova_config[:value] = 'b ar'
     expect(@nova_config[:value]).to eq(['b ar'])
   end

spec/unit/type/nova_rootwrap_config_spec.rb

@@ -33,7 +33,7 @@ describe 'Puppet::Type.type(:nova_rootwrap_config)' do
     expect(@nova_rootwrap_config[:value]).to eq('bar')
   end
 
-  it 'should not accept a value with whitespace' do
+  it 'should accept a value with whitespace' do
     @nova_rootwrap_config[:value] = 'b ar'
     expect(@nova_rootwrap_config[:value]).to eq('b ar')
   end