message: avoid type change races
diff: @@ -174,7 +174,7 @@ describe('indexer search', function() {
  content: {
  firstName: 'Quint',
  lastName: 'Faulkner',
  - age: 5.0
  + age: 6
  }
  },
  {
  @@ -183,7 +183,7 @@ describe('indexer search', function() {
  content: {
  firstName: 'Arthur',
  lastName: 'Faulkner',
  - age: 0.83
  + age: 1
  }
  }
  ];
  @@ -277,7 +277,7 @@ describe('indexer search', function() {
  filter: {
  age: {
  range: {
  - lt: '1'
  + lt: '2'
  }
  }
  }
  