From 35f1519ad653284ce8778d066ebdeafc3ba8f17c Mon Sep 17 00:00:00 2001
From: Chris Heller <chrisheller@users.noreply.github.com>
Date: Tue, 3 Sep 2019 00:14:19 -0700
Subject: [PATCH] Add delOutputFormatter proc to unittest.nim (#12032)

---
 lib/pure/unittest.nim | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/pure/unittest.nim b/lib/pure/unittest.nim
index 3f84c1853b..469e75c163 100644
--- a/lib/pure/unittest.nim
+++ b/lib/pure/unittest.nim
@@ -89,7 +89,7 @@
 ##     echo "suite teardown: run once after the tests"
 
 import
-  macros, strutils, streams, times, sets
+  macros, strutils, streams, times, sets, sequtils
 
 when declared(stdout):
   import os
@@ -176,6 +176,10 @@ method suiteEnded*(formatter: OutputFormatter) {.base, gcsafe.} =
 proc addOutputFormatter*(formatter: OutputFormatter) =
   formatters.add(formatter)
 
+proc delOutputFormatter*(formatter: OutputFormatter) =
+  keepIf(formatters, proc (x: OutputFormatter) : bool =
+    x != formatter)
+
 proc newConsoleOutputFormatter*(outputLevel: OutputLevel = PRINT_ALL,
                                 colorOutput = true): <//>ConsoleOutputFormatter =
   ConsoleOutputFormatter(