Use Plone 5.2.14 in tests

Makefile

@@ -20,14 +20,6 @@ all: .installed.cfg
 help: ## This help message
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 
-.PHONY: Update Makefile and Buildout
-update: ## Update Make and Buildout
-	wget -O Makefile https://raw.githubusercontent.com/kitconcept/buildout/5.2/Makefile
-	wget -O requirements.txt https://raw.githubusercontent.com/kitconcept/buildout/5.2/requirements.txt
-	wget -O plone-5.2.x.cfg https://raw.githubusercontent.com/kitconcept/buildout/5.2/plone-5.2.x.cfg
-	wget -O ci.cfg https://raw.githubusercontent.com/kitconcept/buildout/5.2/ci.cfg
-	wget -O versions.cfg https://raw.githubusercontent.com/kitconcept/buildout/5.2/versions.cfg
-
 .installed.cfg: bin/buildout *.cfg
 	bin/buildout
 

plone-5.2.x.cfg

@@ -1,19 +1,4 @@
 [buildout]
 extends =
-    https://dist.plone.org/release/5.2.5/versions.cfg
+    https://dist.plone.org/release/5.2.14/versions.cfg
     base.cfg
-find-links += https://dist.plone.org/thirdparty/
-versions=versions
-
-[versions]
-black = 21.7b0
-
-# Error: The requirement ('virtualenv>=20.0.35') is not allowed by your [versions] constraint (20.0.26)
-virtualenv = 20.0.35
-
-# Error: The requirement ('importlib-metadata>=1') is not allowed by your [versions] constraint (0.23)
-importlib-metadata = 2.0.0
-
-# cffi 1.14.3 fails on apple m1
-# cffi 1.14.4 fails with "ModuleNotFoundError: No module named '_cffi_backend'"
-cffi = 1.14.6

requirements-5.2.txt

@@ -0,0 +1 @@
+-r https://dist.plone.org/release/5.2.14/requirements.txt

requirements.txt

@@ -1,4 +1 @@
-# Keep this file in sync with: https://github.com/kitconcept/buildout/edit/master/requirements.txt
-setuptools==42.0.2
-zc.buildout==2.13.3
-wheel
+-r requirements-5.2.txt