be strictly paranoid for Template Janitor github action!

Author: ClausKlein

test/CMakeLists.txt

@@ -8,6 +8,11 @@ if(PROJECT_IS_TOP_LEVEL OR TEST_INSTALLED_VERSION)
   enable_testing()
 
   find_package(myproject CONFIG REQUIRED) # for intro, project_options, ...
+
+  if(NOT TARGET myproject::project_options)
+    message(FATAL_ERROR "Requiered config package not found!")
+    return() # be strictly paranoid for Template Janitor github action! CK
+  endif()
 endif()
 
 # ---- Dependencies ----