[LyX/master] Cmake tests: Make check_load tests run in sequence.

[Kornel Benko]

commit 69bec00e3820c57a72a5be9d63d8fac5d3a6bf9f
Author: Kornel Benko <kor...@lyx.org>
Date:   Sat Mar 28 22:54:08 2015 +0100

    Cmake tests: Make check_load tests run in sequence.
    
    Running parallel commands 'lyx -batch ...' with files from
    the same directory has lead to conflicts.

diff --git a/development/autotests/ExportTests.cmake 
b/development/autotests/ExportTests.cmake
index 3964642..cd8b45e 100644
--- a/development/autotests/ExportTests.cmake
+++ b/development/autotests/ExportTests.cmake
@@ -201,6 +201,7 @@ foreach(libsubfolder doc examples templates)
         -DWORKDIR=${CMAKE_CURRENT_BINARY_DIR}/${LYX_HOME}
         -P "${TOP_SRC_DIR}/development/autotests/check_load.cmake")
       setmarkedtestlabel(${TestName} ${reverted} "load")
+      set_tests_properties(${TestName} PROPERTIES RUN_SERIAL ON)
     endif()
     getoutputformats("${LIBSUB_SRC_DIR}/${f}.lyx" formatlist)
     foreach(format ${formatlist})