Fix testLitePageFallbackViaPagePolicies below M61

tools/chrome_proxy/webdriver/lite_page.py

Index: tools/chrome_proxy/webdriver/lite_page.py
diff --git a/tools/chrome_proxy/webdriver/lite_page.py b/tools/chrome_proxy/webdriver/lite_page.py
index 039218308d1356fd7a58526667c70cab5fb8b19d..11e24f518569e7bebc38e98d15d3092cdef589df 100644
--- a/tools/chrome_proxy/webdriver/lite_page.py
+++ b/tools/chrome_proxy/webdriver/lite_page.py
@@ -5,6 +5,7 @@
 import common
 from common import TestDriver
 from common import IntegrationTest
+from decorators import ChromeVersionEqualOrAfterM
 
 import time
 
@@ -168,6 +169,7 @@ class LitePage(IntegrationTest):
 
   # Verifies Lo-Fi fallback via the page-policies server directive.
   # Note: this test is for the CPAT protocol change in M-61.
+  @ChromeVersionEqualOrAfterM(61)
   def testLitePageFallbackViaPagePolicies(self):
     with TestDriver() as test_driver:
       test_driver.AddChromeArg('--enable-spdy-proxy-auth')