Update emscripten.yml

Author: mcbarton

.github/workflows/emscripten.yml

@@ -566,10 +566,10 @@ jobs:
           emrun --browser="Google Chrome" --kill_exit --timeout 60 --browser-args="--headless --no-sandbox"  DynamicLibraryManagerTests.html
           sudo safaridriver --enable
           echo "Running CppInterOpTests in Safari"
-          emrun --no_browser --kill_exit --timeout 60 --browser-args="--headless --no-sandbox"  CppInterOpTests.html
+          emrun --no_browser --kill_exit --timeout 60 --browser-args="--headless --no-sandbox"  CppInterOpTests.html &
           python browser_tests_safari.py CppInterOpTests.html
           echo "Running DynamicLibraryManagerTests in Safari"          
-          emrun --no_browser --kill_exit --timeout 60 --browser-args="--headless --no-sandbox"  DynamicLibraryManagerTests.html
+          emrun --no_browser --kill_exit --timeout 60 --browser-args="--headless --no-sandbox"  DynamicLibraryManagerTests.html &
           python browser_tests_safari.py DynamicLibraryManagerTests.html
         else
           export ARCHITECHURE=$(uname -m)