Allow Edge tests to fail

Window's `msedgedriver` seems to be unreliable, as port binding will
occasionally fail. Instead of wasting time trying to debug this, just
let the tests fail.

We take a similar approch for Safari's webdriver, we will allow the
tests to fail, but will hopefully see when they start succeeding (when
Safari fixes the COOP bug).

Signed-off-by: Joe Richey <joerichey@google.com>

.github/workflows/tests.yml

@@ -220,11 +220,14 @@ jobs:
         run: wasm-pack test --headless --chrome --features=js,test-in-browser
       - name: Test (Edge)
         if: runner.os == 'Windows'
+        # Edge has flaky failures: "driver failed to bind port during startup"
+        continue-on-error: true
         run: wasm-pack test --headless --chrome --chromedriver $Env:EDGEWEBDRIVER\msedgedriver.exe --features=js,test-in-browser
-      # Safari tests are broken: https://github.com/rustwasm/wasm-bindgen/issues/3004
-      # - name: Test (Safari)
-      #   if: runner.os == 'macOS'
-      #   run: wasm-pack test --headless --safari --features=js,test-in-browser
+      - name: Test (Safari)
+        if: runner.os == 'macOS'
+        # Safari tests are broken: https://github.com/rustwasm/wasm-bindgen/issues/3004
+        continue-on-error: true
+        run: wasm-pack test --headless --safari --features=js,test-in-browser
       - name: Test (custom getrandom)
         run: wasm-pack test --node --features=custom