Add more reasons why tests are fragile.

refs: #11458

features/i2p.feature

@@ -31,7 +31,7 @@ Feature: I2P
     Then the I2P router console is displayed in I2P Browser
     And the I2P Browser uses all expected TBB shared libraries
 
-  #10497, #11401, #11457
+  #10497, #11401, #11457, #11458
   @fragile
   Scenario: Closing the I2P Browser shows a stop notification and properly tears down the chroot.
     Given I have started Tails from DVD with I2P enabled and logged in and the network is connected

features/unsafe_browser.feature

@@ -4,7 +4,7 @@ Feature: Browsing the web using the Unsafe Browser
   when I browse the web using the Unsafe Browser
   I should have direct access to the web
 
-  #10497, #11401
+  #10497, #11401, #11458
   @fragile
   Scenario: The Unsafe Browser can access the LAN
     Given I have started Tails from DVD and logged in and the network is connected
@@ -13,7 +13,7 @@ Feature: Browsing the web using the Unsafe Browser
     And I open a page on the LAN web server in the Unsafe Browser
     Then I see "UnsafeBrowserHelloLANWebServer.png" after at most 20 seconds
 
-  #10497
+  #10497, #11458
   @fragile
   Scenario: Starting the Unsafe Browser works as it should.
     Given I have started Tails from DVD and logged in and the network is connected
@@ -27,7 +27,7 @@ Feature: Browsing the web using the Unsafe Browser
     And the Unsafe Browser has no proxy configured
     And the Unsafe Browser uses all expected TBB shared libraries
 
-  #10497, #11457
+  #10497, #11457, #11458
   @fragile
   Scenario: Closing the Unsafe Browser shows a stop notification and properly tears down the chroot.
     Given I have started Tails from DVD and logged in and the network is connected
@@ -36,7 +36,7 @@ Feature: Browsing the web using the Unsafe Browser
     Then I see the Unsafe Browser stop notification
     And the Unsafe Browser chroot is torn down
 
-  #10497, #11401
+  #10497, #11401, #11458
   @fragile
   Scenario: Starting a second instance of the Unsafe Browser results in an error message being shown.
     Given I have started Tails from DVD and logged in and the network is connected
@@ -44,14 +44,14 @@ Feature: Browsing the web using the Unsafe Browser
     And I start the Unsafe Browser
     Then I see a warning about another instance already running
 
-  #10497, #11401
+  #10497, #11401, #11458
   @fragile
   Scenario: The Unsafe Browser cannot be configured to use Tor and other local proxies.
     Given I have started Tails from DVD and logged in and the network is connected
     When I successfully start the Unsafe Browser
     Then I cannot configure the Unsafe Browser to use any local proxies
 
-  #10497
+  #10497, #11458
   @fragile
   Scenario: The Unsafe Browser will not make any connections to the Internet which are not user initiated
     Given I have started Tails from DVD and logged in and the network is connected