Update browser-ui-test version

src/ci/docker/host-x86_64/x86_64-gnu-tools/Dockerfile

@@ -72,7 +72,7 @@ ENV PATH="/node-v14.4.0-linux-x64/bin:${PATH}"
 # https://github.com/puppeteer/puppeteer/issues/375
 #
 # We also specify the version in case we need to update it to go around cache limitations.
-RUN npm install -g browser-ui-test@0.7.2 --unsafe-perm=true
+RUN npm install -g browser-ui-test@0.8.0 --unsafe-perm=true
 
 ENV RUST_CONFIGURE_ARGS \
   --build=x86_64-unknown-linux-gnu \

src/tools/rustdoc-gui/tester.js

@@ -138,7 +138,7 @@ async function main(argv) {
     try {
         // This is more convenient that setting fields one by one.
         let args = [
-            "--no-screenshot",
+            "--no-screenshot-comparison",
             "--variable", "DOC_PATH", opts["doc_folder"],
         ];
         if (opts["debug"]) {