Don't rebuild them

webengineviewer/src/autotests/CMakeLists.txt

 set(testwebengineviewer_webengine_SRCS)
 ecm_qt_declare_logging_category(testwebengineviewer_webengine_SRCS HEADER webengineviewer_debug.h IDENTIFIER WEBENGINEVIEWER_LOG CATEGORY_NAME org.kde.pim.webengineviewer)
 include_directories(${Messagelib_BINARY_DIR})
-ecm_add_test(webhittestresulttest.cpp  ../webhittestresult.cpp 
+ecm_add_test(webhittestresulttest.cpp
     TEST_NAME webhittestresulttest
     NAME_PREFIX "webengineviewer-"
     LINK_LIBRARIES Qt5::Test KF5::WebEngineViewer
@@ -15,13 +15,13 @@ ecm_add_test(zoomactionmenutest.cpp
 )
 
 
-ecm_add_test(webengineprintmessageboxtest.cpp ${testwebengineviewer_webengine_SRCS} ../webengineexporthtmlpagejob.cpp
+ecm_add_test(webengineprintmessageboxtest.cpp ${testwebengineviewer_webengine_SRCS}
     TEST_NAME webengineprintmessageboxtest
     NAME_PREFIX "webengineviewer-"
     LINK_LIBRARIES Qt5::Test KF5::WebEngineViewer KF5::I18n
 )
 
-ecm_add_test(webengineexporthtmlpagejobtest.cpp ${testwebengineviewer_webengine_SRCS} ../webengineexporthtmlpagejob.cpp
+ecm_add_test(webengineexporthtmlpagejobtest.cpp ${testwebengineviewer_webengine_SRCS}
     TEST_NAME webengineexporthtmlpagejobtest
     NAME_PREFIX "webengineviewer-"
     LINK_LIBRARIES Qt5::Test KF5::WebEngineViewer