Revert "Revert "Mark as fragile all tests that rely on Tails Installer.""

This reverts commit 47d9d43f.

refs: #11590

features/electrum.feature

-@product @check_tor_leaks
+#10720: Tails Installer freezes on Jenkins
+@product @check_tor_leaks @fragile
 Feature: Electrum Bitcoin client
   As a Tails user
   I might want to use a Bitcoin client

features/evince.feature

@@ -44,6 +44,8 @@ Feature: Using Evince
     # as /lib/live/mount/overlay.
     And AppArmor has denied "/usr/bin/evince" from opening "/lib/live/mount/overlay/home/amnesia/.gnupg/default-testpage.pdf"
 
+  #10720: Tails Installer freezes on Jenkins
+  @fragile
   Scenario: I can view and print a PDF file stored in persistent /home/amnesia/Persistent
     Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in
     And I copy "/usr/share/cups/data/default-testpage.pdf" to "/home/amnesia/Persistent" as user "amnesia"
@@ -52,6 +54,8 @@ Feature: Using Evince
     Then I see "CupsTestPage.png" after at most 20 seconds
     And I can print the current document to "/home/amnesia/Persistent/output.pdf"
 
+  #10720: Tails Installer freezes on Jenkins
+  @fragile
   Scenario: I cannot view a PDF file stored in persistent /home/amnesia/.gnupg
     Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in
     And I copy "/usr/share/cups/data/default-testpage.pdf" to "/home/amnesia/.gnupg" as user "amnesia"

features/persistence.feature

-@product
+#10720: Tails Installer freezes on Jenkins
+@product @fragile
 Feature: Tails persistence
   As a Tails user
   I want to use Tails persistence feature

features/pidgin.feature

@@ -91,6 +91,7 @@ Feature: Chatting anonymously using Pidgin
     And I close Pidgin's certificate manager
     Then I cannot add a certificate from the "/live/overlay/home/amnesia/.gnupg" directory to Pidgin
 
+  #10720: Tails Installer freezes on Jenkins
   #11584
   @check_tor_leaks @fragile
   Scenario: Using a persistent Pidgin configuration

features/torified_browsing.feature

@@ -113,6 +113,8 @@ Feature: Browsing the web using the Tor Browser
     And the Tor Browser has started and loaded the startup page
     Then the Tor Browser has no plugins installed
 
+  #10720
+  @fragile
   Scenario: The persistent Tor Browser directory is usable
     Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in
     And the network is plugged
@@ -128,7 +130,7 @@ Feature: Browsing the web using the Tor Browser
     Then I see "TorBrowserSavedStartupPage.png" after at most 10 seconds
     And I can print the current page as "output.pdf" to the persistent Tor Browser directory
 
-  #11585
+  #10720, #11585
   @fragile
   Scenario: Persistent browser bookmarks
     Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in

features/totem.feature

@@ -45,6 +45,8 @@ Feature: Using Totem
     Given I have started Tails from DVD and logged in and the network is connected
     Then I can watch a WebM video over HTTPs
 
+  #10720: Tails Installer freezes on Jenkins
+  @fragile
   Scenario: Watching MP4 videos stored on the persistent volume should work as expected given our AppArmor confinement
     Given I have started Tails without network from a USB drive with a persistent partition and stopped at Tails Greeter's login screen
     # Due to bug #5571 we have to reboot to be able to use

features/usb_install.feature

@@ -27,6 +27,8 @@ Feature: Installing Tails to a USB drive
     Then no USB drive is selected
     And a suitable USB device is not found
 
+  #10720: Tails Installer freezes on Jenkins
+  @fragile
   Scenario: Installing Tails to a pristine USB drive
     Given I have started Tails from DVD without network and logged in
     And I temporarily create a 4 GiB disk named "install"
@@ -35,12 +37,16 @@ Feature: Installing Tails to a USB drive
     Then the running Tails is installed on USB drive "install"
     But there is no persistence partition on USB drive "install"
 
+  #10720: Tails Installer freezes on Jenkins
+  @fragile
   Scenario: Booting Tails from a USB drive without a persistent partition and creating one
     Given I have started Tails without network from a USB drive without a persistent partition and stopped at Tails Greeter's login screen
     And I log in to a new session
     When I create a persistent partition
     Then a Tails persistence partition exists on USB drive "__internal"
 
+  #10720: Tails Installer freezes on Jenkins
+  @fragile
   Scenario: Booting Tails from a USB drive without a persistent partition
     Given I have started Tails without network from a USB drive without a persistent partition and stopped at Tails Greeter's login screen
     When I log in to a new session
@@ -48,6 +54,7 @@ Feature: Installing Tails to a USB drive
     And the persistent Tor Browser directory does not exist
     And there is no persistence partition on USB drive "__internal"
 
+  #10720: Tails Installer freezes on Jenkins
   #11583
   @fragile
   Scenario: Booting Tails from a USB drive in UEFI mode
@@ -60,6 +67,8 @@ Feature: Installing Tails to a USB drive
     And the boot device has safe access rights
     And Tails has started in UEFI mode
 
+  #10720: Tails Installer freezes on Jenkins
+  @fragile
   Scenario: Installing Tails to a USB drive with an MBR partition table but no partitions, and making sure that it boots
     Given I have started Tails from DVD without network and logged in
     And I temporarily create a 4 GiB disk named "mbr"
@@ -74,6 +83,8 @@ Feature: Installing Tails to a USB drive
     And the boot device has safe access rights
     And there is no persistence partition on USB drive "mbr"
 
+  #10720: Tails Installer freezes on Jenkins
+  @fragile
   Scenario: Cat:ing a Tails isohybrid to a USB drive and booting it, then trying to upgrading it but ending up having to do a fresh installation, which boots
     Given a computer
     And I temporarily create a 4 GiB disk named "isohybrid"

features/usb_upgrade.feature

-@product
+#10720: Tails Installer freezes on Jenkins
+@product @fragile
 Feature: Upgrading an old Tails USB installation
   As a Tails user
   If I have an old versoin of Tails installed on a USB device