diff --git a/devops-service/spec/support/shared_validation_specs.rb b/devops-service/spec/support/shared_validation_specs.rb
index 487e8d7..4d86657 100644
--- a/devops-service/spec/support/shared_validation_specs.rb
+++ b/devops-service/spec/support/shared_validation_specs.rb
@@ -37,7 +37,8 @@ RSpec.shared_examples 'field type validation' do |field, *properties|
     end if properties.include?(:maybe_empty_array)
 
     it 'should contain only word symbols' do
-      expect(build(validated_model_name, field => 'asd-asd')).not_to be_valid
+      expect(build(validated_model_name, field => '!')).not_to be_valid
+      expect(build(validated_model_name, field => '/')).not_to be_valid
     end if properties.include?(:only_word_symbols)
 
     it 'should contain elements like role[asd] or recipe[asd]' do
@@ -99,9 +100,12 @@ RSpec.shared_examples 'field type validation' do |field, *properties|
         }.not_to raise_error
       end if properties.include?(:maybe_empty_array)
 
-      it 'should contain only word symbols' do
+      it 'should contain only symbols in [a-zA-Z0-9_-]' do
         expect{
-          build(validated_model_name, field => 'asd-asd').send(field_validation_method)
+          build(validated_model_name, field => '!').send(field_validation_method)
+        }.to raise_error InvalidRecord
+        expect{
+          build(validated_model_name, field => '/').send(field_validation_method)
         }.to raise_error InvalidRecord
       end if properties.include?(:only_word_symbols)