15 secs timeout is too short to pass tests in riscv device.

I am trying to build and package libfprint on risc-v architecture.
When running tests, I got 9 timeouts.
Logs:

112/120 libfprint:drivers / aes2501
                TIMEOUT        15.07s   killed by signal 15 SIGTERM
113/120 libfprint:drivers / elan
                TIMEOUT        15.08s   killed by signal 15 SIGTERM
114/120 libfprint:drivers / elan-cobo
                TIMEOUT        15.10s   killed by signal 15 SIGTERM
115/120 libfprint:drivers / elanspi
                TIMEOUT        15.09s   killed by signal 15 SIGTERM
116/120 libfprint:drivers / vfs7552
                TIMEOUT        15.16s   killed by signal 15 SIGTERM
117/120 libfprint:drivers / egis0570
                TIMEOUT        15.04s   killed by signal 15 SIGTERM
118/120 libfprint:virtual-driver+virtual-image+VirtualImage / VirtualImage.test_identify
                TIMEOUT        30.59s   killed by signal 15 SIGTERM
119/120 libfprint:virtual-driver+virtual-image+VirtualImage / VirtualImage.test_verify_serialized
                TIMEOUT        30.60s   killed by signal 15 SIGTERM
120/120 libfprint:virtual-driver+virtual-image+VirtualImage / VirtualImage.test_enroll_verify
                TIMEOUT        30.63s   killed by signal 15 SIGTERM