LLVM_INCLUDE_TESTS applies to unit tests, not the normal Clang tests

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126458 91177308-0d34-0410-b5e6-96231b3b80d8

CMakeLists.txt

@@ -245,9 +245,9 @@ add_subdirectory(tools)
 add_subdirectory(runtime)
 
 # TODO: docs.
-if( LLVM_INCLUDE_TESTS )
 add_subdirectory(test)
 
+if( LLVM_INCLUDE_TESTS )
   if( NOT CLANG_BUILT_STANDALONE )
     add_subdirectory(unittests)
   endif()