Ensure correct permissions assigned to junit-output dir

Author: JoshMock

.buildkite/Dockerfile

@@ -11,6 +11,6 @@ RUN apt-get clean -y && \
 WORKDIR /usr/src/app
 
 COPY package*.json .
-RUN npm install --production=false
+RUN npm install --omit=dev
 
 COPY . .

.buildkite/run-client.sh

@@ -20,7 +20,6 @@ echo "--- :javascript: Running tests"
 GITHUB_TOKEN=$(vault read -field=token "$GITHUB_TOKEN_PATH")
 export GITHUB_TOKEN
 
-mkdir -p "$repo/junit-output"
 docker run \
        -e "ELASTICSEARCH_URL" \
        -e "ES_API_SECRET_KEY" \

.dockerignore

@@ -3,3 +3,4 @@ npm-debug.log
 .git
 .nyc_output
 lib
+junit-output