Rails 6: Coerce time no precision test (#791)

* Coerce test as time has default precision

* Fixed typo

Author: aidanharan

lib/active_record/connection_adapters/sqlserver/schema_statements.rb

@@ -236,7 +236,7 @@ def type_to_sql(type, limit: nil, precision: nil, scale: nil, **)
               if (0..7) === precision
                 column_type_sql << "(#{precision})"
               else
-                raise(ActiveRecordError, "The dattime2 type has precision of #{precision}. The allowed range of precision is from 0 to 7")
+                raise(ActiveRecordError, "The datetime2 type has precision of #{precision}. The allowed range of precision is from 0 to 7")
               end
             end
             column_type_sql

test/cases/coerced_tests.rb

@@ -1140,6 +1140,9 @@ def test_time_precision_is_truncated_on_assignment_coerced
     assert_equal 0, foo.start.nsec
     assert_equal 123457000, foo.finish.nsec
   end
+
+  # SQL Server uses default precision for time.
+  coerce_tests! :test_no_time_precision_isnt_truncated_on_assignment
 end