spec/ast/function_spec.rb in dentaku-2.0.2 vs spec/ast/function_spec.rb in dentaku-2.0.3

@@ -5,10 +5,10 @@
   it 'maintains a function registry' do
     expect(described_class).to respond_to(:get)
   end
 
   it 'raises an exception when trying to access an undefined function' do
-    expect { described_class.get("flarble") }.to raise_error
+    expect { described_class.get("flarble") }.to raise_error(RuntimeError, /undefined function/i)
   end
 
   it 'registers a custom function' do
     described_class.register("flarble", :string, -> { "flarble" })
     expect { described_class.get("flarble") }.not_to raise_error