Remove unnecessary tests

spec/lib/rambling/trie/nodes/compressed_spec.rb

@@ -32,41 +32,4 @@ def assign_letter letter
       end.to raise_error Rambling::Trie::InvalidOperation
     end
   end
-
-  describe '#match_prefix' do
-    before do
-      raw_node.letter = :i
-      add_words raw_node, %w(gnite mport mportant mportantly)
-    end
-
-    context 'when the node is terminal' do
-      before do
-        raw_node.terminal!
-      end
-
-      it 'adds itself to the words' do
-        expect(node.match_prefix %w(g n i t e)).to include 'i'
-      end
-    end
-
-    context 'when the node is not terminal' do
-      it 'does not add itself to the words' do
-        expect(node.match_prefix %w(g n i t e)).not_to include 'i'
-      end
-    end
-
-    context 'when the first few chars match a terminal node' do
-      it 'adds those terminal nodes to the words' do
-        words = node.match_prefix(%w(m p o r t a n t l y)).to_a
-        expect(words).to include 'import', 'important', 'importantly'
-      end
-    end
-
-    context 'when the first few chars do not match a terminal node' do
-      it 'does not add any other words found' do
-        words = node.match_prefix(%w(m p m p o r t a n t l y)).to_a
-        expect(words).not_to include 'import', 'important', 'importantly'
-      end
-    end
-  end
 end