[LyX/master] Cmake build: Enable debug output for check_layouts.

[Kornel Benko]

commit f2e759d4997c00799f1b6aef55af6b1ea116a526
Author: Kornel Benko <kor...@lyx.org>
Date:   Fri Apr 24 11:20:33 2015 +0200

    Cmake build: Enable debug output for check_layouts.

diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt
index 3f11f03..6f644ac 100644
--- a/src/tests/CMakeLists.txt
+++ b/src/tests/CMakeLists.txt
@@ -33,7 +33,7 @@ foreach(bns ${layout_files})
   string(REPLACE ".layout" "" bn ${bns})
 
   add_test(NAME "check_layout/${bns}"
-    COMMAND check_layout "${TOP_SRC_DIR}/lib/layouts/${bn}")
+    COMMAND check_layout "${TOP_SRC_DIR}/lib/layouts/${bn}" 
"${CMAKE_CURRENT_BINARY_DIR}/${bn}.out")
   settestlabel("check_layout/${bns}" "layout")
 endforeach()