add lexer test for word bounded with dash and underscores

spec/query_lexer_spec.rb

@@ -408,6 +408,19 @@ class QueryLexerTester
       expect(@result[2][0]).to eq :R_BRACKET
     end
 
+    it 'tests query with multiple search terms with mixed and-or-not after dash and underscore' do
+      @result = @evaluator.tokenize('123-and-456 -or-2 -not_not_1')
+
+      expect(@result.length).to eq 3
+
+      expect(@result[0][0]).to eq :TERM_WITHOUT_QUOTES
+      expect(@result[0][1]).to eq '123-and-456'
+      expect(@result[1][0]).to eq :TERM_WITHOUT_QUOTES
+      expect(@result[1][1]).to eq '-or-2'
+      expect(@result[2][0]).to eq :TERM_WITHOUT_QUOTES
+      expect(@result[2][1]).to eq '-not_not_1'
+    end
+
     it 'tests query with multiple search terms starting with AND' do
       @result = @evaluator.tokenize('land andrew and andromeda or orlando')