[testing] Convert some "preparser" tests into "message".

test/preparser/testcfg.py

Index: test/preparser/testcfg.py
diff --git a/test/preparser/testcfg.py b/test/preparser/testcfg.py
index 7e51b8ef58bfe5a7bc0edcd5f2d4e34a04882f0a..2070c8cee2b2e0967fbec0f3b3235a555629b319 100644
--- a/test/preparser/testcfg.py
+++ b/test/preparser/testcfg.py
@@ -45,22 +45,6 @@ class PreparserTestSuite(testsuite.TestSuite):
   def shell(self):
     return "d8"
 
-  def _GetExpectations(self):
-    expects_file = os.path.join(self.root, "preparser.expectation")
-    expectations_map = {}
-    if not os.path.exists(expects_file): return expectations_map
-    rule_regex = re.compile("^([\w\-]+)(?::([\w\-]+))?(?::(\d+),(\d+))?$")
-    for line in utils.ReadLinesFrom(expects_file):
-      rule_match = rule_regex.match(line)
-      if not rule_match: continue
-      expects = []
-      if (rule_match.group(2)):
-        expects += [rule_match.group(2)]
-        if (rule_match.group(3)):
-          expects += [rule_match.group(3), rule_match.group(4)]
-      expectations_map[rule_match.group(1)] = " ".join(expects)
-    return expectations_map
-
   def _ParsePythonTestTemplates(self, result, filename):
     pathname = os.path.join(self.root, filename + ".pyt")
     def Test(name, source, expectation, extra_flags=[]):
@@ -84,17 +68,13 @@ class PreparserTestSuite(testsuite.TestSuite):
     execfile(pathname, {"Test": Test, "Template": Template})
 
   def ListTests(self, context):
-    expectations = self._GetExpectations()
     result = []
 
     # Find all .js files in this directory.
     filenames = [f[:-3] for f in os.listdir(self.root) if f.endswith(".js")]
     filenames.sort()
     for f in filenames:
-      throws = expectations.get(f, None)
       flags = [f + ".js"]
-      if throws:
-        flags += ["--throws"]
       test = testcase.TestCase(self, f, flags=flags)
       result.append(test)