Enable source generator tests in CI

Author: Sergio0694

build/build.cake

@@ -270,6 +270,18 @@ Task("Test")
         ArgumentCustomization = arg => arg.Append($"-s {baseDir}/.runsettings /p:Platform=AnyCPU"),
     };
     DotNetCoreTest(file.FullPath, testSettings);
+}).DoesForEach(GetFiles(baseDir + "/**/UnitTests.SourceGenerators.csproj"), (file) =>
+{
+    Information("\nRunning NetCore Source Generator Unit Tests");
+    var testSettings = new DotNetCoreTestSettings
+    {
+        Configuration = configuration,
+        NoBuild = true,
+        Loggers = new[] { "trx;LogFilePrefix=VsTestResults" },
+        Verbosity = DotNetCoreVerbosity.Normal,
+        ArgumentCustomization = arg => arg.Append($"-s {baseDir}/.runsettings /p:Platform=AnyCPU"),
+    };
+    DotNetCoreTest(file.FullPath, testSettings);
 }).DeferOnError();
 
 Task("UITest")