message: Expand test to cover both nullable and non-nullable string columns.
diff: @@ -68,6 +68,14 @@ using namespace realm::test_util;
  // check-testcase` (or one of its friends) from the command line.
  +namespace {
  +
  +using nullable = std::true_type;
  +using non_nullable = std::false_type;
  +
  +} // unnamed namespace
  +
  +
  TEST(Query_NoConditions)
  {
  Table table;
  @@ -10278,10 +10286,12 @@ TEST(Query_CaseInsensitiveIndexEquality_CommonNumericPrefix)
  }
  -TEST(Query_Rover)
  +TEST_TYPES(Query_Rover, non_nullable, nullable)
  {
  + constexpr bool nullable = TEST_TYPE::value;
  +
  Table table;
  - size_t col_ndx = table.add_column(type_String, "name");
  + size_t col_ndx = table.add_column(type_String, "name", nullable);
  table.add_search_index(col_ndx);
  table.add_empty_row(2);
  