Appraisals in spree_mollie_gateway-3.0.4 vs Appraisals in spree_mollie_gateway-3.1.0

@@ -1,11 +1,13 @@
-appraise 'spree-3-2' do
-  gem 'spree', '~> 3.2.0'
-end
-
 appraise 'spree-3-5' do
+  ENV['USE_LEGACY_BUNDLER'] = 'true'
+
   gem 'spree', '~> 3.5.0'
 end
 
 appraise 'spree-3-6' do
-  gem 'spree', '~> 3.6.1'
+  gem 'spree', '~> 3.6.5'
 end
+
+appraise 'spree-3-7' do
+  gem 'spree', '~> 3.7.2'
+end
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