diff --git a/lib/au_core_test_kit/constants.rb b/lib/au_core_test_kit/constants.rb
new file mode 100644
index 00000000..869d72b8
--- /dev/null
+++ b/lib/au_core_test_kit/constants.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module Constants
+  def self.validation_message_filters
+    [
+      "The value provided ('xml') was not found in the value set 'MimeType'",
+      "The value provided ('json') was not found in the value set 'MimeType'",
+      "The value provided ('ttl') was not found in the value set 'MimeType'"
+    ].freeze
+  end
+end
diff --git a/lib/au_core_test_kit/generator/templates/suite.rb.erb b/lib/au_core_test_kit/generator/templates/suite.rb.erb
index 888f6ad4..45e630ad 100644
--- a/lib/au_core_test_kit/generator/templates/suite.rb.erb
+++ b/lib/au_core_test_kit/generator/templates/suite.rb.erb
@@ -6,6 +6,7 @@ require_relative '../../custom_groups/smart_app_launch_group'
 require_relative '../../custom_groups/missing_data_group'
 require_relative '../../au_core_options'
 require_relative '../../helpers'
+require_relative '../../constants'
 
 <% group_file_list.each do |file_name| %>require_relative '<%= file_name %>'
 <% end %>
@@ -22,15 +23,6 @@ module AUCoreTestKit
       )
       version VERSION
 
-      VALIDATION_MESSAGE_FILTERS = [
-        %r{Sub-extension url 'introspect' is not defined by the Extension http://fhir-registry\.smarthealthit\.org/StructureDefinition/oauth-uris},
-        %r{Sub-extension url 'revoke' is not defined by the Extension http://fhir-registry\.smarthealthit\.org/StructureDefinition/oauth-uris},
-        /Observation\.effective\.ofType\(Period\): .*vs-1:/, # Invalid invariant in FHIR v4.0.1
-        /Observation\.effective\.ofType\(Period\): .*us-core-1:/, # Invalid invariant in AU Core v3.1.1
-        /Provenance.agent\[\d*\]: Rule provenance-1/, #Invalid invariant in AU Core v5.0.1
-        /\A\S+: \S+: URL value '.*' does not resolve/,
-      ].freeze
-
       VERSION_SPECIFIC_MESSAGE_FILTERS = <%=version_specific_message_filters%>.freeze
 
       def self.metadata
@@ -41,7 +33,7 @@ module AUCoreTestKit
 
       fhir_resource_validator do
         igs '<%= ig_identifier %>'
-        message_filters = VALIDATION_MESSAGE_FILTERS + VERSION_SPECIFIC_MESSAGE_FILTERS
+        message_filters = Constants.validation_message_filters + VERSION_SPECIFIC_MESSAGE_FILTERS
 
         cli_context do
           txServer ENV.fetch('TX_SERVER_URL', 'https://tx.dev.hl7.org.au/fhir')
@@ -49,7 +41,7 @@ module AUCoreTestKit
         end
 
         exclude_message do |message|
-          message_filters.any? { |filter| filter.match? message.message }
+          Helpers.is_message_exist_in_list(message_filters, message.message)
         end
 
         perform_additional_validation do |resource, profile_url|
diff --git a/lib/au_core_test_kit/helpers.rb b/lib/au_core_test_kit/helpers.rb
index 1d008ee4..521367de 100644
--- a/lib/au_core_test_kit/helpers.rb
+++ b/lib/au_core_test_kit/helpers.rb
@@ -220,4 +220,8 @@ def self.check_for_dar(resource)
   def self.check_for_dar_extension(resource)
     return resource.source_contents&.include? DAR_EXTENSION_URL
   end
+
+  def self.is_message_exist_in_list(message_list, message)
+    message_list.any? { |list_message| message.include? list_message }
+  end
 end
diff --git a/spec/au_core/validation_helpers_test_spec.rb b/spec/au_core/validation_helpers_test_spec.rb
new file mode 100644
index 00000000..c07731c8
--- /dev/null
+++ b/spec/au_core/validation_helpers_test_spec.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require 'rspec'
+require_relative '../../lib/au_core_test_kit/helpers'
+
+RSpec.describe 'Validator helpers' do
+  message_list = [
+    "The value provided ('xml') was not found in the value set 'MimeType'"
+  ]
+  message_xml = "CapabilityStatement/61a65c7c-4f56-4f45-9342-38699af77e51: CapabilityStatement.format[1]: The value provided ('xml') was not found in the value set 'MimeType' (http://hl7.org/fhir/ValueSet/mimetypes|4.0.1), and a code is required from this value set  (error message = The System URI could not be determined for the code 'xml' in the ValueSet 'http://hl7.org/fhir/ValueSet/mimetypes|4.0.1'; None of the provided codes ['#xml'] are in the value set 'http://hl7.org/fhir/ValueSet/mimetypes|4.0.1')"
+  message_json = "CapabilityStatement/61a65c7c-4f56-4f45-9342-38699af77e51: CapabilityStatement.format[3]: The value provided ('json') was not found in the value set 'MimeType' (http://hl7.org/fhir/ValueSet/mimetypes|4.0.1), and a code is required from this value set  (error message = The System URI could not be determined for the code 'json' in the ValueSet 'http://hl7.org/fhir/ValueSet/mimetypes|4.0.1'; None of the provided codes ['#json'] are in the value set 'http://hl7.org/fhir/ValueSet/mimetypes|4.0.1')"
+
+  it 'It should return true if string exist in target message' do
+    expect(
+      Helpers.is_message_exist_in_list(
+        message_list,
+        message_xml
+      )
+    ).to eq(true)
+  end
+
+  it 'It should return false if string not exist in target message' do
+    expect(
+      Helpers.is_message_exist_in_list(
+        message_list,
+        message_json
+      )
+    ).to eq(false)
+  end
+end