Fix problems with tutorial tests.

Author: bredelings

tutorials/biogeo/tests.txt

@@ -2,4 +2,4 @@ run_simple.Rev
 run_simple_phy.Rev
 run_epoch.Rev
 run_epoch_phy.Rev
-mcmc_primates_bg_simple.Rev
+

tutorials/chromo/scripts/ChromEvol_simple.Rev

@@ -133,3 +133,4 @@ ancestralStateTree(phylogeny, anc_state_trace, "output/ChromEvol_simple_final.tr
 # using the RevGadgets R package.
 #
 #########################################################################################################
+q()

tutorials/chromo/tests.txt

@@ -1 +1 @@
-scripts/ChromEvol_simple.Rev
+ChromEvol_simple.Rev

tutorials/run_tutorial_tests.sh

@@ -60,6 +60,11 @@ for t in */tests.txt; do
 
     for script in $(cat tests.txt); 
     do
+        if [ ! -e "scripts/${script}" ] ; then
+            echo "script '${script}' from ${t} is missing!"
+            exit 1
+        fi
+
         (
         cd scripts
         cat "$script" |