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I have three tables, Courses (like finance 101) Courses_modules (many to many link table) Modules ( a part of a course like a module on supply and demand) In my Module test when I have the line class ModuleTest < Test::Unit::TestCase fixtures :course_modules , :modules The order that is happening is course_modules are deleted and then course_modules.yml file is called and inserts values. Then modules is called and gets a foreign key violation on delete. How do I avoid this when testing a many to many relationship?

...9; Subject: HELP WITH MANY TO MANY IN FIXTURES I have three tables, Courses (like finance 101) Courses_modules (many to many link table) Modules ( a part of a course like a module on supply and demand) In my Module test when I have the line class ModuleTest < Test::Unit::TestCase fixtures :course_modules , :modules The order that is happening is course_modules are deleted and then course_modules.yml file is called and inserts values. Then modules is called and gets a foreign key violation on delete. How do I avoid this when testing a many to many relationship?