Test all exercises modified

bin/journey-test.sh

 TRACK_REPO="$TRACK"
 TRACK_SRC_EXT="java"
 CPU_CORES=`getconf NPROCESSORS_ONLN 2>/dev/null || getconf _NPROCESSORS_ONLN 2>/dev/null || echo 1`
-EXERCISE_TO_SOLVE=$1
+EXERCISES_TO_SOLVE=$@
 
 on_exit() {
   echo ">>> on_exit()"
   # Create a CLI install and config just for this build; this script does not use your CLI install.
   configure_exercism_cli "${exercism_home}" "${exercism_configfile}" "${xapi_port}"
 
-  if [[ ${EXERCISE_TO_SOLVE} == "" ]]; then
+  if [[ $EXERCISES_TO_SOLVE == "" ]]; then
     solve_all_exercises "${exercism_home}" "${exercism_configfile}"
   else
-    solve_single_exercise "${exercism_home}" "${exercism_configfile}" "${EXERCISE_TO_SOLVE}"
+    for exercise in $EXERCISES_TO_SOLVE
+      do solve_single_exercise "${exercism_home}" "${exercism_configfile}" "${exercise}"
+    done
   fi
 }
 

bin/run-journey-test-from-ci.sh

       do if [[ $file2 == exercises* ]]
         then modded_exercise=${file2#exercises/}
         modded_exercise=${modded_exercise%%/*}
+        if [[ $last_modded_exercise != $modded_exercise ]]
+          then modded_exercises=$modded_exercises$modded_exercise$'\n'
+        fi
+        last_modded_exercise=$modded_exercise
       fi
     done
-    bin/journey-test.sh $modded_exercise
+    bin/journey-test.sh $modded_exercises
     break
   fi
 done