Add pyright user test

Author: weswigham

tests/cases/docker/pyright/Dockerfile

@@ -0,0 +1,11 @@
+FROM node:current
+RUN git clone https://github.com/microsoft/pyright.git /pyright
+WORKDIR /pyright
+RUN git pull
+RUN npm i
+COPY --from=typescript/typescript /typescript/typescript-*.tgz /typescript.tgz
+RUN npm install /typescript.tgz --exact --ignore-scripts --save-dev
+RUN npx lerna exec --stream --concurrency 1 -- npm install /typescript.tgz --exact --ignore-scripts --save-dev
+WORKDIR /pyright/packages/pyright
+ENTRYPOINT [ "npx" ]
+CMD [ "webpack", "--mode", "production" ]