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: Icc58f5c51b249564ab3cf3e1859c4dabde5857fc

spec/unit/type/murano_cfapi_config_spec.rb

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

spec/unit/type/murano_cfapi_paste_ini_config_spec.rb

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

spec/unit/type/murano_config_spec.rb

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

spec/unit/type/murano_paste_ini_config_spec.rb

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