(PE-14271) Adjust higgs commands to provide correct answer

...for both legacy and meep installers.  The former prompts to continue
expecting 'Y' and the later prompts with options where '1' is intended
to kick off Higgs.

Also added spec coverage for these methods.

lib/beaker-pe/install/pe_utils.rb

@@ -736,9 +736,8 @@ def prep_host_for_upgrade(host, opts={}, path='')
         #                    The host object must have the 'working_dir', 'dist' and 'pe_installer' field set correctly.
         # @api private
         def higgs_installer_cmd host
-
-          "cd #{host['working_dir']}/#{host['dist']} ; nohup ./#{host['pe_installer']} <<<Y > #{host['higgs_file']} 2>&1 &"
-
+          higgs_answer = host['pe_installer_type'] == 'meep' ? '1' : 'Y'
+          "cd #{host['working_dir']}/#{host['dist']} ; nohup ./#{host['pe_installer']} <<<#{higgs_answer} > #{host['higgs_file']} 2>&1 &"
         end
 
         #Perform a Puppet Enterprise Higgs install up until web browser interaction is required, runs on linux hosts only.
@@ -771,6 +770,8 @@ def do_higgs_install host, opts
           fetch_pe([host], opts)
 
           host['higgs_file'] = "higgs_#{File.basename(host['working_dir'])}.log"
+
+          prepare_host_installer_options(host)
           on host, higgs_installer_cmd(host), opts
 
           #wait for output to host['higgs_file']

spec/beaker-pe/install/pe_utils_spec.rb

@@ -254,6 +254,68 @@ def logger
 
   end
 
+  describe 'higgs installer' do
+    let(:host) { unixhost }
+    let(:higgs_regex) { %r{cd .* ; nohup \./puppet-enterprise-installer <<<#{higgs_answer} .*} }
+    before(:each) do
+      host['pe_installer'] = 'puppet-enterprise-installer'
+    end
+
+    def prep_host(host)
+      allow(subject).to receive(:sleep)
+      allow(host).to receive(:tmpdir).and_return('/tmp')
+      allow(subject).to receive(:fetch_pe)
+      expect(subject).to receive(:on).with(host, higgs_regex, opts).once
+      result = double(Beaker::Result, :stdout => 'Please go to https://somewhere in your browser to continue installation')
+      expect(subject).to receive(:on).with(host, %r{cd .* && cat .*}, anything)
+        .and_return(result)
+    end
+
+    context 'for legacy installer' do
+      let(:higgs_answer) { 'Y' }
+
+      context 'the higgs_installer_cmd' do
+        it 'returns correct command to invoke Higgs' do
+          expect(subject.higgs_installer_cmd(host)).to match(higgs_regex)
+        end
+      end
+
+      context 'the do_higgs_install' do
+        it 'submits the correct installer cmd to invoke Higgs' do
+          prep_host(host)
+          subject.do_higgs_install(host, opts)
+        end
+      end
+    end
+
+    context 'for meep installer' do
+      let(:higgs_answer) { '1' }
+
+      before(:each) do
+        ENV['INSTALLER_TYPE'] = 'meep'
+        host['pe_ver'] = '2016.2.0'
+      end
+
+      after(:each) do
+        ENV.delete('INSTALLER_TYPE')
+      end
+
+      context 'the higgs_installer_cmd' do
+        it 'submits correct command to invoke Higgs' do
+          subject.prepare_host_installer_options(host)
+          expect(subject.higgs_installer_cmd(host)).to match(higgs_regex)
+        end
+      end
+
+      context 'the do_higgs_install' do
+        it 'submits the correct installer cmd to invoke Higgs' do
+          prep_host(host)
+          subject.do_higgs_install(host, opts)
+        end
+      end
+    end
+  end
+
   describe 'prepare_host_installer_options' do
     let(:legacy_settings) do
       {