There are a few different ways that you can use Google Forms for a test.
One way is to create a Google Form that contains all of the questions for the test. You can then share the form with your students and have them submit their answers. You can then grade the answers using the form responses.
Another way to use Google Forms for a test is to create a quiz. You can add questions and set answer keys for each question. You can then share the quiz with your students and have them take the quiz. The quiz will grade the answers and provide you with a report of the results.
You can also use Google Forms to create a practice test. This can be helpful for students to get familiar with the format of the test and to practice answering questions. To do this, you can create a Google Form and add questions. For each question, you can add a answer key. You can then share the form with your students and have them take the practice test. The form will grade the answers and provide you with a report of the results.