Add parameters and custom name attributes for XUnit

[smolchanovsky]

Context

Description and discussion of the solved problem is here: #309

Checklist

• Sign Allure CLA
• Provide unit tests

[CLAassistant]

All committers have signed the CLA.

[neparij]

Hi, @smolchanovsky !
Thank you for contributing to Allure!
Could you sign a CLA on this contribution?

• it would be better to override GetDisplayName(IAttributeInfo factAttribute, string s) from Xunit.Sdk.XunitTestCase within Allure.XUnit.AllureXunitTestCase to provide name and fullname without parameters
• AllureNameAttribute and AllureFullNameAttribute usage is unnecessarily: AllureXunitAttribute is inherited from FactAttribute and already have an DisplayName parameter. It will be ambiguous for users.

[smolchanovsky]

Hi, @smolchanovsky ! Thank you for contributing to Allure! Could you sign a CLA on this contribution?

• it would be better to override GetDisplayName(IAttributeInfo factAttribute, string s) from Xunit.Sdk.XunitTestCase within Allure.XUnit.AllureXunitTestCase to provide name and fullname without parameters
• AllureNameAttribute and AllureFullNameAttribute usage is unnecessarily: AllureXunitAttribute is inherited from FactAttribute and already have an DisplayName parameter. It will be ambiguous for users.

@neparij hi!
You're right, it will be ambiguous for users. Frankly, I forgot about the DisplayName property in FactAttribute :)

But one thing bothers me. I'd like to be able to set different values in name and fullName, so DisplayName is not enough. Maybe add an additional property - FullDisplayName?

PS: Now I have signed the CLA, but status is still "not signed yet" 🤔

[neparij]

@neparij hi! You're right, it will be ambiguous for users. Frankly, I forgot about the DisplayName property in FactAttribute :)

But one thing bothers me. I'd like to be able to set different values in name and fullName, so DisplayName is not enough. Maybe add an additional property - FullDisplayName?

PS: Now I have signed the CLA, but status is still "not signed yet" 🤔

You can use full-qualified name for FullDisplayName. Look at GetUniqueID() method in Allure.XUnit.AllureXunitTestCase

CLA assistant fails with smolchanovsky seems not to be a GitHub user. You need a GitHub account to be able to sign the CLA. If you have already a GitHub account, please [add the email address used for this commit to your account](https://help.github.com/articles/why-are-my-commits-linked-to-the-wrong-user/#commits-are-not-linked-to-any-user).

[smolchanovsky]

You can use full-qualified name for FullDisplayName. Look at GetUniqueID() method in Allure.XUnit.AllureXunitTestCase

Ok, I'll take a look at the method. Thanks

CLA job completed successfully now. I found out that the wrong email was specified in commits :)

[1Playerr]

Hi, @neparij

I've decided to resolve PR comments. I've removed redundant attributes AllureNameAttribute and AllureFullNameAttribute as you suggested and added two methods to build test name and full name. The test's name can be also set via DisplayName.
I've also added the new extension method GetFullFormattedTypeName in TypeExtensions to get more readable argument type name when those arguments are generic. Should I add some unit tests for that? What would be the most appropriate project to place them in?