Renamed ExpectedWarnings to IgnoredWarnings.
MODIFY
src/Chapter07/Chapter07.csproj
src/Chapter07/Chapter07.csproj
<ChapterNumber>07</ChapterNumber>
</PropertyGroup>
<PropertyGroup>
+ <ExpectedWarnings>$(ExpectedWarnings)</ExpectedWarnings>
<!--
CS0108 hides inherited member warning where 'new' is advised.
Listing the warning here causes it to be a warning rather than an error.
-->
- <ExpectedWarnings>$(ExpectedWarnings),CS0108</ExpectedWarnings>
+ <IgnoredWarnings>$(IgnoredWarnings),CS0108</IgnoredWarnings>
</PropertyGroup>
<Import Project="..\Chapter.props" />
<ItemGroup>

Renamed ExpectedWarnings to IgnoredWarnings.