Update the quick_check make target

A quick (40s) sanity test to run before sending it off to travis-ci
for the full test.

Makefile

@@ -525,17 +525,9 @@ check:
 
 quick_check:
 	$(MAKE) pyston_dbg
-	$(call checksha,./pyston_dbg -q  $(TESTS_DIR)/raytrace_small.py,0544f4621dd45fe94205219488a2576b84dc044d)
-	$(call checksha,./pyston_dbg -qn $(TESTS_DIR)/raytrace_small.py,0544f4621dd45fe94205219488a2576b84dc044d)
-	$(call checksha,./pyston_dbg -qO $(TESTS_DIR)/raytrace_small.py,0544f4621dd45fe94205219488a2576b84dc044d)
-	$(MAKE) pyston
-	$(call checksha,./pyston -q  $(TESTS_DIR)/raytrace_small.py,0544f4621dd45fe94205219488a2576b84dc044d)
-	$(call checksha,./pyston -qn $(TESTS_DIR)/raytrace_small.py,0544f4621dd45fe94205219488a2576b84dc044d)
-	$(call checksha,./pyston -qO $(TESTS_DIR)/raytrace_small.py,0544f4621dd45fe94205219488a2576b84dc044d)
-	$(MAKE) pyston_prof
-	$(call checksha,./pyston_prof -q  $(TESTS_DIR)/raytrace_small.py,0544f4621dd45fe94205219488a2576b84dc044d)
-	$(call checksha,./pyston_prof -qn $(TESTS_DIR)/raytrace_small.py,0544f4621dd45fe94205219488a2576b84dc044d)
-	$(call checksha,./pyston_prof -qO $(TESTS_DIR)/raytrace_small.py,0544f4621dd45fe94205219488a2576b84dc044d)
+	$(MAKE) check_format
+	$(MAKE) unittests
+	$(PYTHON) $(TOOLS_DIR)/tester.py -R pyston_dbg -j$(TEST_THREADS) -a=-S -k --order-by-mtime $(TESTS_DIR) $(ARGS)
 
 Makefile.local:
 	echo "Creating default Makefile.local"

tools/tester.py

@@ -428,6 +428,8 @@ parser.add_argument('-e', '--exit-code-only', action='store_true',
                     help="only check exit code; don't run CPython to get expected output to compare against")
 parser.add_argument('--skip-failing', action='store_true',
                     help="skip tests expected to fail")
+parser.add_argument('--order-by-mtime', action='store_true',
+                    help="order test execution by modification time, instead of file size")
 
 parser.add_argument('test_dir')
 parser.add_argument('pattern', nargs='*')
@@ -504,7 +506,10 @@ def main(orig_dir):
         IMAGE = '/usr/local/bin/pypy'
 
     if not patterns:
-        tests.sort(key=fileSize)
+        if opts.order_by_mtime:
+            tests.sort(key=lambda fn:os.stat(fn).st_mtime, reverse=True)
+        else:
+            tests.sort(key=fileSize)
 
     for fn in tests:
         check_stats = fn not in IGNORE_STATS