Answer:
They probably will not care. They will get more money from you in taking more courses. On the other hand, if you don't graduate or have a significantly different GPA from pre-admission then you may find your admission rescinded.
Step-by-step explanation:
You'll want to have good reasons for missing the tests. Nevertheless, if missing the tests causes you to not pass a required class, then yes, the college would rescind your application or if this causes significant reduction in your grades, the college would considered that, too. If you don’t do what your application said you were going to do, they can rescind your admission. In California, it’s very common for the universities to do that.