Strengthen test with different nb of rows and columns

activerecord/test/cases/result_test.rb

@@ -5,14 +5,16 @@ class ResultTest < ActiveRecord::TestCase
     def result
       Result.new(['col_1', 'col_2'], [
         ['row 1 col 1', 'row 1 col 2'],
-        ['row 2 col 1', 'row 2 col 2']
+        ['row 2 col 1', 'row 2 col 2'],
+        ['row 3 col 1', 'row 3 col 2'],
       ])
     end
 
     def test_to_hash_returns_row_hashes
       assert_equal [
         {'col_1' => 'row 1 col 1', 'col_2' => 'row 1 col 2'},
-        {'col_1' => 'row 2 col 1', 'col_2' => 'row 2 col 2'}
+        {'col_1' => 'row 2 col 1', 'col_2' => 'row 2 col 2'},
+        {'col_1' => 'row 3 col 1', 'col_2' => 'row 3 col 2'},
       ], result.to_hash
     end