Fix this by not using stubs/mocks/whatever

spec/e2e/basic_model_spec.rb

@@ -14,6 +14,17 @@
       property :name
       property :a
       property :b
+
+      before_destroy :before_destroy_callback
+      def before_destroy_callback
+        self.class.before_destroy_callback_calls += 1
+      end
+
+      class << self
+        attr_accessor :before_destroy_callback_calls
+      end
+
+      self.before_destroy_callback_calls = 0
     end
   end
 
@@ -41,17 +52,21 @@
     end
 
     it 'should be possible to #delete_all' do
-      expect(subject.class).not_to receive(:all)
+      expect_any_instance_of(subject.class).not_to receive(:before_destroy_callback)
+
       expect(subject.class.count).to eq 3
+      expect(subject.class.before_destroy_callback_calls).to eq 0
       subject.class.delete_all
       expect(subject.class.count).to eq 0
+      expect(subject.class.before_destroy_callback_calls).to eq 0
     end
 
     it 'should be possible to #destroy_all' do
-      expect(subject.class).to receive(:all).and_return(subject.class.all)
       expect(subject.class.count).to eq 3
+      expect(subject.class.before_destroy_callback_calls).to eq 0
       subject.class.destroy_all
       expect(subject.class.count).to eq 0
+      expect(subject.class.before_destroy_callback_calls).to eq 3
     end
   end
 end