Enable all tests scala2-library-cc-tasty (#19902)

Followup to #19890.

[test_scala2_library_tasty]

Author: nicolasstucki

.github/workflows/ci.yaml

@@ -198,9 +198,8 @@ jobs:
       - name: Test with Scala 2 library TASTy
         run: ./project/scripts/sbt ";set ThisBuild/Build.scala2Library := Build.Scala2LibraryTasty ;scala3-bootstrapped/test"
 
-      # TODO increase coverage to `scala3-bootstrapped/test`
       - name: Test with Scala 2 library with CC TASTy
-        run: ./project/scripts/sbt ";set ThisBuild/Build.scala2Library := Build.Scala2LibraryCCTasty ;scala3-bootstrapped/testCompilation"
+        run: ./project/scripts/sbt ";set ThisBuild/Build.scala2Library := Build.Scala2LibraryCCTasty ;scala3-bootstrapped/test"
 
 
   test_windows_fast: