Special case Identity APIs for XML

Author: captainsafia

src/OpenApi/build/Microsoft.AspNetCore.OpenApi.targets

@@ -8,9 +8,11 @@
     <ItemGroup>
       <AdditionalFiles
         Include="@(ReferencePath->'%(RootDir)%(Directory)%(Filename).xml')"
-        Condition="'%(ReferencePath.Extension)' == '.dll' AND
-        Exists('%(ReferencePath.RootDir)%(ReferencePath.Directory)%(ReferencePath.Filename).xml') AND
-        ('%(ReferencePath.ReferenceSourceTarget)' == 'ProjectReference')"
+        Condition="
+          '%(ReferencePath.Extension)' == '.dll' AND
+          Exists('%(ReferencePath.RootDir)%(ReferencePath.Directory)%(ReferencePath.Filename).xml') AND
+          ('%(ReferencePath.ReferenceSourceTarget)' == 'ProjectReference' OR
+          '%(ReferencePath.FileName)' == 'Microsoft.AspNetCore.Identity')"
          KeepMetadata="Identity" />
     </ItemGroup>
   </Target>

src/OpenApi/test/Microsoft.AspNetCore.OpenApi.Build.Tests/GenerateAdditionalXmlFilesForOpenApiTests.cs

@@ -37,7 +37,8 @@ public void VerifiesTargetGeneratesXmlFiles()
         // Captures ProjectReferences and PackageReferences in project.
         var identities = additionalFiles.Select(x => x["Identity"]).ToArray();
         Assert.Collection(identities,
-            x => Assert.EndsWith("ClassLibrary.xml", x)
+            x => Assert.EndsWith("ClassLibrary.xml", x),
+            x => Assert.EndsWith("Microsoft.AspNetCore.Identity.xml", x)
         );
     }