[test] Fix test status file simulator_run not evaluate to boolean error and clean up equal operator

tools/run-tests.py

 #!/usr/bin/env python
 #
 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 766 matching lines @@
                         options.no_harness,
                         use_perf_data=not options.swarming,
                         sancov_dir=options.sancov_dir)
 
   # TODO(all): Combine "simulator" and "simulator_run".
   # TODO(machenbach): In GN we can derive simulator run from
   # target_arch != v8_target_arch in the dumped build config.
   simulator_run = not options.dont_skip_simulator_slow_tests and \
       arch in ['arm64', 'arm', 'mipsel', 'mips', 'mips64', 'mips64el', \
                'ppc', 'ppc64', 's390', 's390x'] and \
-      ARCH_GUESS and arch != ARCH_GUESS
+      bool(ARCH_GUESS) and arch != ARCH_GUESS
   # Find available test suites and read test cases from them.
   variables = {
     "arch": arch,
     "asan": options.asan,
     "deopt_fuzzer": False,
     "gc_stress": options.gc_stress,
     "gcov_coverage": options.gcov_coverage,
     "isolates": options.isolates,
     "mode": MODES[mode]["status_mode"],
     "no_i18n": options.no_i18n,
@@ skipping 127 matching lines @@
         "--coverage-dir=%s" % options.sancov_dir])
     except:
       print >> sys.stderr, "Error: Merging sancov files failed."
       exit_code = 1
 
   return exit_code
 
 
 if __name__ == "__main__":
   sys.exit(Main())