[Fix whilebox crash test failure]

Summary:
I think the check for "error" that I added had caused
false alarm. Fixed that.

Test Plan:
Revert Plan: OK

Task ID: #

Reviewers: emayanke, dhruba

Reviewed By: emayanke

Differential Revision: https://reviews.facebook.net/D11139

Makefile

@@ -120,10 +120,10 @@ ldb_tests: all $(PROGRAMS) $(TOOLS)
 crash_test: blackbox_crash_test whitebox_crash_test
 
 blackbox_crash_test: db_stress
-	python tools/db_crashtest.py
+	python -u tools/db_crashtest.py
 
 whitebox_crash_test: db_stress
-	python tools/db_crashtest2.py
+	python -u tools/db_crashtest2.py
 
 valgrind_check: all $(PROGRAMS) $(TESTS)
 	echo TESTS THAT HAVE VALGRIND ERRORS > $(VALGRIND_DIR)/valgrind_failed_tests; \

tools/db_crashtest2.py

@@ -111,12 +111,19 @@ def main(argv):
             expected = True
 
         if not expected:
-            print "TEST FAILED!!!\n"
+            print "TEST FAILED. See kill option and exit code above!!!\n"
             sys.exit(1)
 
         stdoutdata = stdoutdata.lower()
-        if ('error' in stdoutdata) or ('fail' in stdoutdata):
-            print "TEST FAILED!!!\n"
+        errorcount = (stdoutdata.count('error') -
+                      stdoutdata.count('got errors 0 times'))
+        print "#times error occured in output is " + str(errorcount) + "\n"
+
+        if (errorcount > 0):
+            print "TEST FAILED. Output has 'error'!!!\n"
+            sys.exit(2)
+        if (stdoutdata.find('fail') >= 0):
+            print "TEST FAILED. Output has 'fail'!!!\n"
             sys.exit(2)
         time.sleep(1)  # time to stabilize after a kill