Bug 1379200 - Preserve the precision of a timestamp when converting it to string. r=bkelly

testing/web-platform/tests/service-workers/service-worker/resources/bytecheck-worker-imported-script.py

@@ -10,7 +10,7 @@ def main(request, response):
 
     imported_content = 'default'
     if imported_content_type == 'time':
-        imported_content = time.time()
+        imported_content = '%f' % time.time()
 
     body = '''
     // %s

testing/web-platform/tests/service-workers/service-worker/resources/bytecheck-worker.py

@@ -10,7 +10,7 @@ def main(request, response):
 
     main_content = 'default'
     if main_content_type == 'time':
-        main_content = time.time()
+        main_content = '%f' % time.time()
 
     imported_request_path = ''
     if 'path' in request.GET: