Try to run the existing tests in buildbot,

docker-test.sh - is an alternative script to run locally.

.buildbot/node/Dockerfile

@@ -0,0 +1,14 @@
+FROM node:16
+
+RUN apt-get update
+RUN apt-get install -yq --no-install-suggests --no-install-recommends xauth xvfb
+
+WORKDIR /app
+COPY package*.json binding.gyp *.cc ./
+
+RUN npm install
+RUN npm audit fix
+
+RUN mkdir -p ../out
+
+COPY . .

.buildbot/node/build.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+cp package*.json ../out
+
+npm pack && mv *.tgz ../out/

.buildbot/node/test.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+npm test

docker-test.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+docker build --tag eccrypto -f .buildbot/node/Dockerfile .
+docker run -it --rm eccrypto:latest .buildbot/node/test.sh