This is an idiom. The phrase is an exaggeration for "I am extremely angry." (See: [[rc://en/ta/man/translate/figs-idiom]] and [[rc://en/ta/man/translate/figs-hyperbole]])
# has been tested very much
This can be stated in active form. AT: "I have tested your word many times" (See: [[rc://en/ta/man/translate/figs-activepassive]])