Index: meson.build
===================================================================
--- a/meson.build
+++ b/meson.build
@@ -214,15 +214,15 @@
                             link_args: LINK_PARAMS)
   gtest = static_library('gtest', files(join_paths(GTEST_DIR, 'src', 'gtest-all.cc')),
                          include_directories: [
                              include_directories(join_paths(GTEST_DIR, 'include'), is_system: true),
                              include_directories(GTEST_DIR)
                          ],
                          cpp_args: GTEST_PARAMS)
   abptest = executable('abptest', test_sources,
-                       cpp_args: ADDITIONAL_PARAMS + CORE_PARAMS,
+                       cpp_args: ADDITIONAL_PARAMS + CORE_PARAMS + ['-DINSIDE_TESTS'],
                        include_directories: include_directories(join_paths(GTEST_DIR, 'include')),
                        link_args: LINK_PARAMS,
                        link_with: [ adblockpluscore, gtest ])
   test('abptest', abptest)
 endif