Merge "trusty_driver_test: Filter out some tainted bits" into main

        self.assertTrue(ver.startswith("Project:"))

    def testUntaintedLinux(self):

        tainted = ReadFile("/proc/sys/kernel/tainted")

        self.assertEqual(tainted, "0")

        tainted = int(ReadFile("/proc/sys/kernel/tainted"))

        # Filter out the out-of-tree and unsigned module bits

        tainted &= ~0x3000

        self.assertEqual(tainted, 0)

    # stdcall test with shared memory buffers.

    # Each test run takes up to 4 arguments: