coerce migration test that was using blob column type

Author: mgrunberg

test/cases/coerced_tests.rb

@@ -591,6 +591,36 @@ class MigrationTest < ActiveRecord::TestCase
   # For some reason our tests set Rails.@_env which breaks test env switching.
   coerce_tests! :test_internal_metadata_stores_environment_when_other_data_exists
   coerce_tests! :test_internal_metadata_stores_environment
+
+  # Same as original but using binary type instead of blob
+  coerce_tests! :test_add_column_with_casted_type_if_not_exists_set_to_true
+  def test_add_column_with_casted_type_if_not_exists_set_to_true_coerced
+    migration_a = Class.new(ActiveRecord::Migration::Current) {
+      def version; 100 end
+      def migrate(x)
+        add_column "people", "last_name", :binary
+      end
+    }.new
+
+    migration_b = Class.new(ActiveRecord::Migration::Current) {
+      def version; 101 end
+      def migrate(x)
+        add_column "people", "last_name", :binary, if_not_exists: true
+      end
+    }.new
+
+    ActiveRecord::Migrator.new(:up, [migration_a], @schema_migration, 100).migrate
+    assert_column Person, :last_name, "migration_a should have created the last_name column on people"
+
+    assert_nothing_raised do
+      ActiveRecord::Migrator.new(:up, [migration_b], @schema_migration, 101).migrate
+    end
+  ensure
+    Person.reset_column_information
+    if Person.column_names.include?("last_name")
+      Person.connection.remove_column("people", "last_name")
+    end
+  end
 end
 
 class CoreTest < ActiveRecord::TestCase