Workhorse: allow testify/assert

testify/require cannot be used in a goroutine, which might be the case in a test. See https://github.com/golang/go/issues/15758.

workhorse/Makefile

@@ -147,7 +147,7 @@ testdata/scratch:
 	mkdir -p testdata/scratch
 
 .PHONY: verify
-verify: lint vet detect-context detect-assert detect-external-tests check-formatting staticcheck deps-check
+verify: lint vet detect-context detect-external-tests check-formatting staticcheck deps-check
 
 .PHONY: lint
 lint:
@@ -165,11 +165,6 @@ detect-context:
 	$(call message,Verify: $@)
 	_support/detect-context.sh
 
-.PHONY: detect-assert
-detect-assert:
-	$(call message,Verify: $@)
-	_support/detect-assert.sh
-
 .PHONY: detect-external-tests
 detect-external-tests:
 	$(call message,Verify: $@)

workhorse/_support/detect-assert.sh

-#!/bin/sh
-
-git grep 'testify/assert"' | \
-    grep -e '^[^:]*\.go' | \
-    awk '{
-  print "error: please use testify/require instead of testify/assert"
-  print
-  exit 1
-}'