Run tests in dart2js on Chromium on Smithy

smithy.yaml

@@ -7,6 +7,16 @@ runner_image: drydock-prod.workiva.org/workiva/smithy-runner-dart:74173
 script:
   - pub get
 
+  # Can't run tests in dart2js on Travis since the suite takes too long to load and times out.
+  # Run on Smithy instead.
+  # See https://github.com/Workiva/over_react/issues/36
+
+  # Trick the test package into using Chromium instead of Chrome, and run the tests.
+  - TMP_BIN=$(mktemp)
+  - ln -s "$(which chromium-browser)" "$TMP_BIN/google-chrome"
+  - DART_FLAGS=--checked PATH="$PATH:$TMP_BIN" xvfb-run -s '-screen 0 1024x768x24' pub run dart_dev test -p chrome
+  - rm -rf "$TMP_BIN"
+
 artifacts:
   build:
     - ./pubspec.lock

tool/dev.dart

@@ -30,7 +30,11 @@ main(List<String> args) async {
     ..pubServe = true
     ..platforms = [
       'vm',
-      'content-shell'
+      'content-shell',
+      // Can't run tests in dart2js on Travis since the suite takes too long to load and times out.
+      // Run on Smithy instead.
+      // See https://github.com/Workiva/over_react/issues/36
+      // 'chrome',
     ]
     // Prevent test load timeouts on Smithy.
     ..concurrency = 1