[CrOS Tether] Disconnect cleanly from active Tether networks when the user logs out or the Tether c…

chrome/browser/chromeos/tether/tether_service_unittest.cc

Index: chrome/browser/chromeos/tether/tether_service_unittest.cc
diff --git a/chrome/browser/chromeos/tether/tether_service_unittest.cc b/chrome/browser/chromeos/tether/tether_service_unittest.cc
index 76fdb5c5ea941823dc1deb6dbd13796ceab4ad45..be4f0faaf2b9e498236341b872299388d3f6508c 100644
--- a/chrome/browser/chromeos/tether/tether_service_unittest.cc
+++ b/chrome/browser/chromeos/tether/tether_service_unittest.cc
@@ -233,10 +233,12 @@ TEST_F(TetherServiceTest, TestShutdown) {
 
   ShutdownTetherService();
 
-  EXPECT_EQ(
-      chromeos::NetworkStateHandler::TechnologyState::TECHNOLOGY_UNAVAILABLE,
-      network_state_handler()->GetTechnologyState(
-          chromeos::NetworkTypePattern::Tether()));
+  // The TechnologyState should not have changed due to Shutdown() being called.
+  // If it had changed, any settings UI that was previously open would have
+  // shown visual jank.
+  EXPECT_EQ(chromeos::NetworkStateHandler::TechnologyState::TECHNOLOGY_ENABLED,
+            network_state_handler()->GetTechnologyState(
+                chromeos::NetworkTypePattern::Tether()));
   EXPECT_FALSE(test_initializer_delegate_->is_tether_running());
 }