Created XML tags using System.Xml

[ram-xv]

Fixes #5792

Description

Ensure the appropriate SSML tags are set on the Activity Speak property using System.Xml.Linq classes such as XDocument & XElement.

Testing

Voice is added to Speak property

AddVoice

Input:

Output:

Custom voice tag

AddVoice_NullSpeak

Voice is added with no speak tag

Input:

Output:

Multiple voice tags

AddMultiVoice

Input:

Output:

Custom speak is added with voice tag

AddSpeakWithVoice

Input:

Output:

Custom speak is added with no voice tag

AddSpeak_NullVoice

Input:

Output:

All SetSpeakMiddlewareTest

SetSpeakMiddlewareTests.cs

[ghost]

All CLA requirements met.

[coveralls]

Pull Request Test Coverage Report for Build 322838

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 139 unchanged lines in 13 files lost coverage.
• Overall coverage increased (+0.04%) to 79.085%

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Files with Coverage Reduction	New Missed Lines	%
/libraries/AdaptiveExpressions/BuiltinFunctions/GetNextViableDate.cs	1	93.94%
/libraries/AdaptiveExpressions/BuiltinFunctions/GetPreviousViableDate.cs	1	93.94%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Actions/SendHandoffActivity.cs	1	84.62%
/libraries/Microsoft.Bot.Builder.Dialogs/DialogContainer.cs	1	96.43%
/libraries/integration/Microsoft.Bot.Builder.Integration.AspNet.Core/ChannelServiceController.cs	5	0%
/libraries/Microsoft.Bot.Builder.Dialogs.Adaptive/Actions/ForEachElement.cs	5	89.31%
/libraries/Microsoft.Bot.Builder/Skills/SkillHandlerImpl.cs	5	92.68%
/libraries/Microsoft.Bot.Builder/SetSpeakMiddleware.cs	7	89.04%
/libraries/Microsoft.Bot.Builder/ShowTypingMiddleware.cs	7	89.06%
/libraries/Microsoft.Bot.Builder/ChannelServiceHandlerBase.cs	8	44.23%
<!--	Total:	139

Totals
Change from base Build 312579:	0.04%
Covered Lines:	25606
Relevant Lines:	32378

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💛 - Coveralls

[BruceHaley]

:heavy_check_mark: No Binary Compatibility issues for Microsoft.Bot.Builder.dll

[BruceHaley]

:heavy_check_mark: No Binary Compatibility issues for Microsoft.Bot.Builder.dll