Index: unittests/Tooling/CMakeLists.txt
===================================================================
--- unittests/Tooling/CMakeLists.txt
+++ unittests/Tooling/CMakeLists.txt
@@ -13,6 +13,7 @@
 add_clang_unittest(ToolingTests
   CommentHandlerTest.cpp
   CompilationDatabaseTest.cpp
+  DiagnosticsYamlTest.cpp
   FixItTest.cpp
   LookupTest.cpp
   QualTypeNamesTest.cpp