Move test_keys.h to include/test

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c6d31dc..b0a6a6a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -354,18 +354,18 @@
     if(GEN_FILES)
         add_custom_command(
             OUTPUT
-                ${CMAKE_CURRENT_SOURCE_DIR}/framework/tests/src/test_keys.h
+                ${CMAKE_CURRENT_SOURCE_DIR}/framework/tests/include/test/test_keys.h
             WORKING_DIRECTORY
                 ${CMAKE_CURRENT_SOURCE_DIR}/tests
             COMMAND
                 "${MBEDTLS_PYTHON_EXECUTABLE}"
                 "${CMAKE_CURRENT_SOURCE_DIR}/framework/scripts/generate_test_keys.py"
                 "--output"
-                "${CMAKE_CURRENT_SOURCE_DIR}/framework/tests/src/test_keys.h"
+                "${CMAKE_CURRENT_SOURCE_DIR}/framework/tests/include/test/test_keys.h"
             DEPENDS
                 ${CMAKE_CURRENT_SOURCE_DIR}/framework/scripts/generate_test_keys.py
         )
-        add_custom_target(test_keys_header DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/framework/tests/src/test_keys.h)
+        add_custom_target(test_keys_header DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/framework/tests/include/test/test_keys.h)
         add_custom_command(
             OUTPUT
                 ${CMAKE_CURRENT_SOURCE_DIR}/tests/src/test_certs.h