Added mores tests to chapter 5.
MODIFY
src/Chapter05.Tests/Chapter05.Tests.csproj
src/Chapter05.Tests/Chapter05.Tests.csproj
<ItemGroup>
<ProjectReference Include="..\Chapter05\Chapter05.csproj" />
</ItemGroup>
+ <ItemGroup>
+ <Compile Update="Listing05.18.CountingLinesGivenADirectory.Tests.cs">
+ <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+ </Compile>
+ <Compile Update="Listing05.19.CountingLinesUsingOverloading.Tests.cs">
+ <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+ </Compile>
+ <Compile Update="Listing05.20.MethodsWithOptionalParameters.Tests.cs">
+ <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+ </Compile>
+ </ItemGroup>
</Project>
\ No newline at end of file

Added mores tests to chapter 5.