[foozzie] Fix test cases

BUG=chromium:673246
NOTRY=true
TBR=mstarzinger,jarin

Review-Url: https://codereview.chromium.org/2669263005
Cr-Commit-Position: refs/heads/master@{#42930}

tools/foozzie/testdata/failure_output.txt

@@ -9,9 +9,9 @@
 # Compared x64,ignition with x64,ignition_staging
 #
 # Flags of x64,ignition:
---abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit --es-staging --random-seed 12345 --ignition --turbo-filter=~ --hydrogen-filter=~ --novalidate-asm
+--abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit --es-staging --random-seed 12345 --ignition --turbo-filter=~ --hydrogen-filter=~ --validate-asm --nocrankshaft
 # Flags of x64,ignition_staging:
---abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit --es-staging --random-seed 12345 --ignition-staging
+--abort_on_stack_overflow --expose-gc --allow-natives-syntax --invoke-weak-callbacks --omit-quit --es-staging --random-seed 12345 --ignition-staging --validate-asm
 #
 # Difference:
 - unknown

tools/foozzie/testdata/v8_build_config.json

+{"v8_current_cpu": "x64"}

tools/foozzie/v8_foozzie_test.py

@@ -85,6 +85,10 @@ otherfile.js: TypeError: undefined is not a constructor
     self.assertEquals(diff, suppress.diff(one, two))
 
 
+def cut_verbose_output(stdout):
+  return '\n'.join(stdout.split('\n')[2:])
+
+
 def run_foozzie(first_d8, second_d8):
   return subprocess.check_output([
     sys.executable, FOOZZIE,
@@ -100,7 +104,7 @@ def run_foozzie(first_d8, second_d8):
 class SystemTest(unittest.TestCase):
   def testSyntaxErrorDiffPass(self):
     stdout = run_foozzie('test_d8_1.py', 'test_d8_2.py')
-    self.assertEquals('# V8 correctness - pass\n', stdout)
+    self.assertEquals('# V8 correctness - pass\n', cut_verbose_output(stdout))
 
   def testDifferentOutputFail(self):
     with open(os.path.join(TEST_DATA, 'failure_output.txt')) as f:
@@ -109,4 +113,4 @@ class SystemTest(unittest.TestCase):
       run_foozzie('test_d8_1.py', 'test_d8_3.py')
     e = ctx.exception
     self.assertEquals(v8_foozzie.RETURN_FAIL, e.returncode)
-    self.assertEquals(expected_output, e.output)
+    self.assertEquals(expected_output, cut_verbose_output(e.output))