Revert of [foozzie] Pass startup test

tools/foozzie/v8_foozzie.py

Index: tools/foozzie/v8_foozzie.py
diff --git a/tools/foozzie/v8_foozzie.py b/tools/foozzie/v8_foozzie.py
index 4581d2039fa74aadda484bcc0111acc9437684fe..df4c0785a791e0085f2218ff23956928141569f7 100755
--- a/tools/foozzie/v8_foozzie.py
+++ b/tools/foozzie/v8_foozzie.py
@@ -101,12 +101,8 @@
   parser.add_argument(
       '--second-d8',
       help='optional path to second d8 executable, default: same as first')
-  parser.add_argument('testcase', help='path to test case', nargs='?')
+  parser.add_argument('testcase', help='path to test case')
   options = parser.parse_args()
-
-  if not options.testcase:
-    # Don't check further as we want to bail out early without test case.
-    return options
 
   # Ensure we make a sane comparison.
   assert (options.first_arch != options.second_arch or
@@ -188,10 +184,6 @@
 
 def main():
   options = parse_args()
-
-  if not options.testcase:
-    print '# V8 correctness - pass - no test file given'
-    return RETURN_PASS
 
   # Suppressions are architecture and configuration specific.
   suppress = v8_suppressions.get_suppression(