diff --git a/test/cli/combine_test.rb b/test/cli/combine_test.rb
index e9aecee..9cdefd9 100644
--- a/test/cli/combine_test.rb
+++ b/test/cli/combine_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'helpers'))
+require_relative '../helpers'
 require 'prmd/cli/combine'
 
 class PrmdCliCombineTest < Minitest::Test
diff --git a/test/cli/doc_test.rb b/test/cli/doc_test.rb
index eb97daa..d250ad0 100644
--- a/test/cli/doc_test.rb
+++ b/test/cli/doc_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'helpers'))
+require_relative '../helpers'
 require 'prmd/cli/doc'
 
 class PrmdCliDocTest < Minitest::Test
diff --git a/test/cli/generate_test.rb b/test/cli/generate_test.rb
index fa1f113..e40c3bf 100644
--- a/test/cli/generate_test.rb
+++ b/test/cli/generate_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'helpers'))
+require_relative '../helpers'
 require 'prmd/cli/generate'
 
 class PrmdCliGenerateTest < Minitest::Test
diff --git a/test/cli/render_test.rb b/test/cli/render_test.rb
index e9fd8d2..52ddab9 100644
--- a/test/cli/render_test.rb
+++ b/test/cli/render_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'helpers'))
+require_relative '../helpers'
 require 'prmd/cli/render'
 
 class PrmdCliRenderTest < Minitest::Test
diff --git a/test/cli/verify_test.rb b/test/cli/verify_test.rb
index 5199a99..eb3fa25 100644
--- a/test/cli/verify_test.rb
+++ b/test/cli/verify_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'helpers'))
+require_relative '../helpers'
 require 'prmd/cli/verify'
 
 class PrmdCliVerifyTest < Minitest::Test
diff --git a/test/commands/combine_test.rb b/test/commands/combine_test.rb
index ca3287c..3e71e60 100644
--- a/test/commands/combine_test.rb
+++ b/test/commands/combine_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'helpers'))
+require_relative '../helpers'
 
 require 'json_pointer'
 
diff --git a/test/commands/init_test.rb b/test/commands/init_test.rb
index 66e1b23..09294af 100644
--- a/test/commands/init_test.rb
+++ b/test/commands/init_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'helpers'))
+require_relative '../helpers'
 
 class PrmdInitTest < Minitest::Test
   def test_init
diff --git a/test/commands/render_test.rb b/test/commands/render_test.rb
index 8a6e949..aca6936 100644
--- a/test/commands/render_test.rb
+++ b/test/commands/render_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'helpers'))
+require_relative '../helpers'
 
 require 'json_pointer'
 
@@ -6,7 +6,7 @@ class InteragentRenderTest < Minitest::Test
   def test_render_for_valid_schema
     markdown = render
 
-    assert_match /An app in our PaaS ecosystem./, markdown
+    assert_match(/An app in our PaaS ecosystem./, markdown)
   end
 
   def test_render_for_schema_with_property_defined_with_anyOf
@@ -21,15 +21,15 @@ def test_render_for_schema_with_property_defined_with_anyOf
       }
     })
     markdown = render
-    assert_match /version.*v10\.9\.rc1/, markdown
+    assert_match(/version.*v10\.9\.rc1/, markdown)
   end
 
 
   def test_render_for_schema_with_property_defined_with_oneOf
     markdown = render
 
-   assert_match /\*\*options\/\[OPTION1\]\.type\*\*/, markdown
-   assert_match /\*\*options\/\[OPTION2\]\.type\*\*/, markdown
+   assert_match(/\*\*options\/\[OPTION1\]\.type\*\*/, markdown)
+   assert_match(/\*\*options\/\[OPTION2\]\.type\*\*/, markdown)
   end
 
 
@@ -95,37 +95,37 @@ def data
               'example'     => 'example'
             },
             'option-type1' => {
-              'type' => 'string', 
-              'example' => 'OPTION1', 
-              'enum' => 'OPTION1'                   
+              'type' => 'string',
+              'example' => 'OPTION1',
+              'enum' => 'OPTION1'
             },
             'option-type2' => {
-              'type' => 'string', 
+              'type' => 'string',
               'example' => 'OPTION2',
               'enum' => 'OPTION2'
             },
             'option1' => {
               'properties' => {
                 'type' => {
-                    '$ref' => '#/definitions/config-var/definitions/option-type1'    
+                    '$ref' => '#/definitions/config-var/definitions/option-type1'
                 }
               }
             },
             'option2' => {
               'properties' => {
                 'type' => {
-                    '$ref' => '#/definitions/config-var/definitions/option-type2'    
+                    '$ref' => '#/definitions/config-var/definitions/option-type2'
                 }
               }
             },
-            'options' => {                      
+            'options' => {
               'items' => {
                 'example'=> 'CHOICE1',
                 'oneOf' => [
-                  { 
+                  {
                     '$ref' => '#/definitions/config-var/definitions/option1'
                   },
-                  { 
+                  {
                    '$ref' => '#/definitions/config-var/definitions/option2'
                   }
                 ]
diff --git a/test/commands/verify_test.rb b/test/commands/verify_test.rb
index 8f49691..a2edb03 100644
--- a/test/commands/verify_test.rb
+++ b/test/commands/verify_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '..', 'helpers'))
+require_relative '../helpers'
 
 require 'json_pointer'
 
diff --git a/test/core/reference_localizer_test.rb b/test/core/reference_localizer_test.rb
index d14973a..6ec8eb9 100644
--- a/test/core/reference_localizer_test.rb
+++ b/test/core/reference_localizer_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../helpers', File.dirname(__FILE__))
+require_relative '../helpers'
 
 module Prmd
   class ReferenceLocalizerTest < Minitest::Test
diff --git a/test/link_test.rb b/test/link_test.rb
index caa0493..89f89b1 100644
--- a/test/link_test.rb
+++ b/test/link_test.rb
@@ -1,4 +1,5 @@
-require File.expand_path(File.join(File.dirname(__FILE__), '.', 'helpers'))
+require_relative 'helpers'
+
 module Prmd
   class LinkTest < MiniTest::Test
     include PrmdLinkTestHelpers
@@ -22,7 +23,7 @@ class LinkTest < MiniTest::Test
       {
         title: "multiple_nested_required" ,
         optional: {"user:name" => "string"},
-        required: {"user:email" => "string", 
+        required: {"user:email" => "string",
                    "address:street" => "string",
                    "address:zip" => "string"}
       }
diff --git a/test/multi_loader/common.rb b/test/multi_loader/common.rb
index 3223d21..e6a02b7 100644
--- a/test/multi_loader/common.rb
+++ b/test/multi_loader/common.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../helpers', File.dirname(__FILE__))
+require_relative '../helpers'
 
 module PrmdLoaderTests
   # @abstrac
diff --git a/test/multi_loader/json_test.rb b/test/multi_loader/json_test.rb
index c09a54a..85e50ef 100644
--- a/test/multi_loader/json_test.rb
+++ b/test/multi_loader/json_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path('common', File.dirname(__FILE__))
+require_relative 'common'
 require 'prmd/multi_loader/json'
 
 class PrmdMultiLoaderJsonTest < Minitest::Test
diff --git a/test/multi_loader/toml_test.rb b/test/multi_loader/toml_test.rb
index 77ad42c..71e83b1 100644
--- a/test/multi_loader/toml_test.rb
+++ b/test/multi_loader/toml_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path('common', File.dirname(__FILE__))
+require_relative 'common'
 begin
   require 'prmd/multi_loader/toml'
 rescue LoadError
diff --git a/test/multi_loader/yajl_test.rb b/test/multi_loader/yajl_test.rb
index 5ba5339..a8a6529 100644
--- a/test/multi_loader/yajl_test.rb
+++ b/test/multi_loader/yajl_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path('common', File.dirname(__FILE__))
+require_relative 'common'
 begin
   require 'prmd/multi_loader/yajl'
 rescue LoadError
diff --git a/test/multi_loader/yaml_test.rb b/test/multi_loader/yaml_test.rb
index 43e0eaf..b848373 100644
--- a/test/multi_loader/yaml_test.rb
+++ b/test/multi_loader/yaml_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path('common', File.dirname(__FILE__))
+require_relative 'common'
 require 'prmd/multi_loader/yaml'
 
 class PrmdMultiLoaderYamlTest < Minitest::Test
diff --git a/test/rake_tasks/combine_test.rb b/test/rake_tasks/combine_test.rb
index ca5c023..c00c9ae 100644
--- a/test/rake_tasks/combine_test.rb
+++ b/test/rake_tasks/combine_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../helpers', File.dirname(__FILE__))
+require_relative '../helpers'
 require 'prmd/rake_tasks/combine'
 require 'rake'
 
diff --git a/test/rake_tasks/doc_test.rb b/test/rake_tasks/doc_test.rb
index 307b415..16ff66c 100644
--- a/test/rake_tasks/doc_test.rb
+++ b/test/rake_tasks/doc_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../helpers', File.dirname(__FILE__))
+require_relative '../helpers'
 require 'prmd/rake_tasks/doc'
 require 'rake'
 
diff --git a/test/rake_tasks/verify_test.rb b/test/rake_tasks/verify_test.rb
index 0e9ea90..6ab5df2 100644
--- a/test/rake_tasks/verify_test.rb
+++ b/test/rake_tasks/verify_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../helpers', File.dirname(__FILE__))
+require_relative '../helpers'
 require 'prmd/rake_tasks/verify'
 require 'rake'
 
diff --git a/test/schema_test.rb b/test/schema_test.rb
index 09b68d1..34d0f1a 100644
--- a/test/schema_test.rb
+++ b/test/schema_test.rb
@@ -1,4 +1,4 @@
-require File.expand_path(File.join(File.dirname(__FILE__), 'helpers'))
+require_relative 'helpers'
 
 class SchemaTest < Minitest::Test
   def test_dereference_with_ref