DCD-621: Cleans up comments & extracts batch number to a variable

bin/run-tests-in-batches

@@ -4,8 +4,9 @@ set -e
 #set -x
 
 # Install dev packages from Pipfile.lock if necessary.
-#pipenv sync --dev
+pipenv sync --dev
 
+BATCH_SIZE=3
 BATCH_NUMBER=""
 batch_args="$1"
 
@@ -31,20 +32,14 @@ esac
 scenarios=( $(ls -d1 roles/**/molecule/* | sort) )
 
 offset=$(( ${BATCH_NUMBER} - 1))
-test_start_index=$(( ${offset} * 3 ))
+test_start_index=$(( ${offset} * $BATCH_SIZE ))
+scenario_batch="${scenarios[@]:$test_start_index:$BATCH_SIZE}"
 
-for scenario in "${scenarios[@]:$test_start_index:3}"; do
+echo "Scenarios that will be executed as part of this batch: ${scenario_batch}"
+
+for scenario in ${scenario_batch}; do
     pushd $(dirname $(dirname $scenario))
     pipenv run \
        molecule test --all
     popd
 done;
-
-
-
-#for role in `find roles/ -name molecule | sort`; do
-#    pushd `dirname $role`
-#    pipenv run \
-#           molecule test --all
-#    popd
-#done