Fix an issue where ctest wouldn't find the qml test files.
Upstream status: forwarded to jami@gnu.org

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e802357f..75cffda2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -884,5 +884,6 @@ qt_finalize_executable(${PROJECT_NAME})
 # tests
 if(BUILD_TESTING)
   message("Add Jami tests")
+  enable_testing()
   add_subdirectory(${TESTS_DIR})
 endif()
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 37796e52..06008ccf 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.16)
 
-enable_testing(true)
+enable_testing()
 
 set(QT_TESTING_MODULES
     ${QT_MODULES}