Rakefile in instana-1.3.0 vs Rakefile in instana-1.3.1

@@ -10,14 +10,20 @@
   t.libs << "lib"
   t.test_files = FileList['test/**/*_test.rb']
 
   case File.basename(ENV['BUNDLE_GEMFILE']).split('.').first
   when /rails50/
-    t.test_files = FileList['test/frameworks/rails/activerecord5_test.rb'] + FileList['test/frameworks/rails/actioncontroller_test.rb']
+    t.test_files = [ 'test/frameworks/rails/activerecord5_test.rb',
+                     'test/frameworks/rails/actioncontroller_test.rb',
+                     'test/frameworks/rails/actionview5_test.rb' ]
   when /rails42/
-    t.test_files = FileList['test/frameworks/rails/activerecord4_test.rb'] + FileList['test/frameworks/rails/actioncontroller_test.rb']
+    t.test_files = [ 'test/frameworks/rails/activerecord4_test.rb',
+                     'test/frameworks/rails/actioncontroller_test.rb',
+                     'test/frameworks/rails/actionview4_test.rb' ]
   when /rails32/
-    t.test_files = FileList['test/frameworks/rails/activerecord3_test.rb'] + FileList['test/frameworks/rails/actioncontroller_test.rb']
+    t.test_files = [ 'test/frameworks/rails/activerecord3_test.rb',
+                     'test/frameworks/rails/actioncontroller_test.rb',
+                     'test/frameworks/rails/actionview3_test.rb' ]
   when /libraries/
     t.test_files = FileList['test/instrumentation/*_test.rb']
   else
     t.test_files = FileList['test/agent/*_test.rb'] +
                    FileList['test/tracing/*_test.rb'] +