Build - pull Catch2 from vendord dir

Author: samaaron

app/api-tests/CMakeLists.txt

@@ -1,10 +1,10 @@
 project(api-tests)
 
 set(TESTS_ROOT ${CMAKE_CURRENT_LIST_DIR})
-
+set(VENDOR_DIR "${TESTS_ROOT}/vendor")
 set(APP_ROOT "${TESTS_ROOT}/../api")
 
-find_package(Catch2 CONFIG REQUIRED)
+add_subdirectory("${VENDOR_DIR}/Catch2-3.8.0")
 
 set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
 set(THREADS_PREFER_PTHREAD_FLAG TRUE)