Fix repo root folder

Author: pascalberger

Diff for: tests/build.cake

@@ -25,6 +25,7 @@ public class BuildData
     public BuildData(ICakeContext context)
     {
         this.RepoRootFolder = context.MakeAbsolute(context.Directory("./"));
+        context.Verbose("RepoRootFolder: " + this.RepoRootFolder);
         this.SourceFolder = this.RepoRootFolder.Combine("src");
         this.DocsFolder = this.RepoRootFolder.Combine("docs");
         this.OutputFolder = this.RepoRootFolder.Combine("output");