Add packaging tests for Fedora 29, remove 27 (#38726)

TESTING.asciidoc

@@ -366,8 +366,8 @@ These are the linux flavors supported, all of which we provide images for
 * debian-9 aka stretch, the current debian stable distribution
 * centos-6
 * centos-7
-* fedora-27
 * fedora-28
+* fedora-29
 * oel-6 aka Oracle Enterprise Linux 6
 * oel-7 aka Oracle Enterprise Linux 7
 * sles-12

Vagrantfile

@@ -109,13 +109,13 @@ Vagrant.configure(2) do |config|
       rpm_common config, box
     end
   end
-  'fedora-27'.tap do |box|
+  'fedora-28'.tap do |box|
     config.vm.define box, define_opts do |config|
-      config.vm.box = 'elastic/fedora-27-x86_64'
+      config.vm.box = 'elastic/fedora-28-x86_64'
       dnf_common config, box
     end
   end
-  'fedora-28'.tap do |box|
+  'fedora-29'.tap do |box|
     config.vm.define box, define_opts do |config|
       config.vm.box = 'elastic/fedora-28-x86_64'
       dnf_common config, box

buildSrc/src/main/groovy/org/elasticsearch/gradle/vagrant/VagrantTestPlugin.groovy

@@ -25,8 +25,8 @@ class VagrantTestPlugin implements Plugin<Project> {
             'centos-7',
             'debian-8',
             'debian-9',
-            'fedora-27',
             'fedora-28',
+            'fedora-29',
             'oel-6',
             'oel-7',
             'opensuse-42',