Increase cpp test timeout including that of MATFILE_FACT_HIER_float.

The VM used can be very slow and the test fails because of timeout https://cdash-ci.inria.fr/viewTest.php?onlyfailed&buildid=12878.

misc/test/CMakeLists.txt

@@ -25,7 +25,7 @@ endif()
 # Critical time, which fixe the limit time of the process
 set(TIMEOUT_MEG 8000)
 set(TIMEOUT_MEG_TRANSPOSED 16000)
-set(TIMEOUT_COMP 100)
+set(TIMEOUT_COMP 1000)
 
 
 # MATLAB TEST