Reduced size of table name prefix and suffix in migrations test as in Oracle...

Reduced size of table name prefix and suffix in migrations test as in Oracle identifier name cannot be larger than 30 characters

activerecord/test/cases/migration_test.rb

@@ -30,13 +30,14 @@ def test_add_schema_info_respects_prefix_and_suffix
       conn = ActiveRecord::Base.connection
 
       conn.drop_table(ActiveRecord::Migrator.schema_migrations_table_name) if conn.table_exists?(ActiveRecord::Migrator.schema_migrations_table_name)
-      ActiveRecord::Base.table_name_prefix = 'foo_'
-      ActiveRecord::Base.table_name_suffix = '_bar'
+      # Use shorter prefix and suffix as in Oracle database identifier cannot be larger than 30 characters
+      ActiveRecord::Base.table_name_prefix = 'p_'
+      ActiveRecord::Base.table_name_suffix = '_s'
       conn.drop_table(ActiveRecord::Migrator.schema_migrations_table_name) if conn.table_exists?(ActiveRecord::Migrator.schema_migrations_table_name)
 
       conn.initialize_schema_migrations_table
 
-      assert_equal "foo_unique_schema_migrations_bar", conn.indexes(ActiveRecord::Migrator.schema_migrations_table_name)[0][:name]
+      assert_equal "p_unique_schema_migrations_s", conn.indexes(ActiveRecord::Migrator.schema_migrations_table_name)[0][:name]
     ensure
       ActiveRecord::Base.table_name_prefix = ""
       ActiveRecord::Base.table_name_suffix = ""