test suite: resolve race condition in tests/observation_trends_and_prefiltering/MCMC/*.mod

tests/Makefile.am

@@ -448,6 +448,14 @@ observation_trends_and_prefiltering/ML/Trend_loglinear_no_prefilter_first_obs.o.
 observation_trends_and_prefiltering/ML/Trend_loglinear_no_prefilter.m.trs: observation_trends_and_prefiltering/ML/Trend_no_prefilter.m.trs
 observation_trends_and_prefiltering/ML/Trend_loglinear_no_prefilter.o.trs: observation_trends_and_prefiltering/ML/Trend_no_prefilter.o.trs
 
+observation_trends_and_prefiltering/MCMC/Trend_no_prefilter_first_obs_MC.m.trs: observation_trends_and_prefiltering/MCMC/Trend_loglinear_no_prefilter_MC.m.trs
+observation_trends_and_prefiltering/MCMC/Trend_no_prefilter_MC.m.trs: observation_trends_and_prefiltering/MCMC/Trend_no_prefilter_first_obs_MC.m.trs
+observation_trends_and_prefiltering/MCMC/Trend_loglinear_prefilter_MC.m.trs: observation_trends_and_prefiltering/MCMC/Trend_no_prefilter_MC.m.trs
+observation_trends_and_prefiltering/MCMC/Trend_loglin_prefilt_first_obs_MC.m.trs: observation_trends_and_prefiltering/MCMC/Trend_loglinear_prefilter_MC.m.trs
+observation_trends_and_prefiltering/MCMC/Trend_prefilter_first_obs_MC.m.trs: observation_trends_and_prefiltering/MCMC/Trend_loglin_prefilt_first_obs_MC.m.trs
+observation_trends_and_prefiltering/MCMC/Trend_prefilter_MC.m.trs: observation_trends_and_prefiltering/MCMC/Trend_prefilter_first_obs_MC.m.trs
+observation_trends_and_prefiltering/MCMC/Trend_loglin_no_prefilt_first_obs_MC.m.trs: observation_trends_and_prefiltering/MCMC/Trend_prefilter_MC.m.trs
+
 kalman/likelihood_from_dynare/fs2000_corr_ME.m.trs: kalman/likelihood_from_dynare/fs2000_uncorr_ME.m.trs
 kalman/likelihood_from_dynare/fs2000_corr_ME.o.trs: kalman/likelihood_from_dynare/fs2000_uncorr_ME.o.trs
 kalman/likelihood_from_dynare/fs2000_uncorr_ME_missing.m.trs: kalman/likelihood_from_dynare/fs2000_uncorr_ME.m.trs