add more rules tu parser grammar and write more tests for new rules

spec/query_lexer_spec.rb

@@ -117,6 +117,24 @@ class QueryLexerTester
       expect(@result[2][1]).to eq 'JF'
     end
 
+    it 'tests simple query with two columns with name and search terms without quotes' do
+      @result = @evaluator.tokenize('name:JF tag:mta')
+
+      expect(@result.length).to eq 6
+
+      expect(@result[0][0]).to eq :TERM_WITHOUT_QUOTES
+      expect(@result[0][1]).to eq 'name'
+      expect(@result[1][0]).to eq :COLON
+      expect(@result[2][0]).to eq :TERM_WITHOUT_QUOTES
+      expect(@result[2][1]).to eq 'JF'
+      expect(@result[3][0]).to eq :TERM_WITHOUT_QUOTES
+      expect(@result[3][1]).to eq 'tag'
+      expect(@result[4][0]).to eq :COLON
+      expect(@result[5][0]).to eq :TERM_WITHOUT_QUOTES
+      expect(@result[5][1]).to eq 'mta'
+
+    end
+
     it 'tests simple query with column name and search term with quotes' do
       @result = @evaluator.tokenize('name:"name with space"')