wip

Signed-off-by: Tyler Smalley <tyler.smalley@elastic.co>

.buildkite/scripts/steps/test/jest.sh

@@ -9,5 +9,5 @@ is_test_execution_step
 .buildkite/scripts/bootstrap.sh
 
 echo '--- Jest'
-checks-reporter-with-killswitch "Jest Unit Tests" \
-  node scripts/jest --ci --verbose --maxWorkers=10
+checks-reporter-with-killswitch "Jest Unit Tests $((BUILDKITE_PARALLEL_JOB+1))}" \
+  .buildkite/scripts/steps/test/jest_parallel.sh

.buildkite/scripts/steps/test/jest_parallel.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+i=0
+JOB=$BUILDKITE_PARALLEL_JOB
+JOB_COUNT=$BUILDKITE_PARALLEL_JOB_COUNT
+find src x-pack packages -name jest.config.js | while read config; do
+  if !(($i % $JOB_COUNT == $JOB)); then
+    echo "--- running $config"
+    node --expose-gc ./node_modules/.bin/jest --config $config --runInBand --logHeapUsage
+  fi
+
+  ((i=i+1))
+done