Merge pull request rails#6709 from amatsuda/sqlite3_version_is_always_gt_125

current AR::ConnectionAdapters::SQLite3Adapter supports only SQLite3 ~> 1.3.6

Author: rafaelfranca

activerecord/test/cases/query_cache_test.rb

@@ -160,7 +160,7 @@ def test_cache_does_not_wrap_string_results_in_arrays
       # Oracle adapter returns count() as Fixnum or Float
       if current_adapter?(:OracleAdapter)
         assert_kind_of Numeric, Task.connection.select_value("SELECT count(*) AS count_all FROM tasks")
-      elsif current_adapter?(:SQLite3Adapter) && sqlite3_version > '1.2.5' || current_adapter?(:Mysql2Adapter) || current_adapter?(:MysqlAdapter)
+      elsif current_adapter?(:SQLite3Adapter) || current_adapter?(:Mysql2Adapter) || current_adapter?(:MysqlAdapter)
         # Future versions of the sqlite3 adapter will return numeric
         assert_instance_of Fixnum,
          Task.connection.select_value("SELECT count(*) AS count_all FROM tasks")