diff --git a/Makefile b/Makefile
index 5572ce7..e8376de 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,31 @@
 IMAGE ?= w0rp/ale
-DOCKER = docker run -a stderr --rm -v $(PWD):/testplugin -v $(PWD)/test:/home -v ${PWD}:/home/ale "$(IMAGE)"
+DOCKER_FLAGS = --rm -v $(PWD):/testplugin -v $(PWD)/test:/home "$(IMAGE)"
 
 test-setup:
 	docker images -q $(IMAGE) || docker pull $(IMAGE)
 
 test: test-setup
+	@:; \
 	vims=$$(docker run --rm $(IMAGE) ls /vim-build/bin | grep -E '^n?vim'); \
 	if [ -z "$$vims" ]; then echo "No Vims found!"; exit 1; fi; \
 	EXIT=0; \
 	for vim in $$vims; do \
-	  $(DOCKER) $$vim '+Vader! test/*' || EXIT=$$?; \
+		echo; \
+		echo '========================================'; \
+		echo "Running tests for $$vim"; \
+		echo '========================================'; \
+		echo; \
+		docker run -a stderr $(DOCKER_FLAGS) $$vim '+Vader! test/*' || EXIT=$$?; \
 	done; \
-	$(DOCKER) vint -s /testplugin || EXIT=$$?; \
+	echo; \
+	echo '========================================'; \
+	echo 'Running Vint to lint our code'; \
+	echo '========================================'; \
+	echo 'Vint warnings/errors follow:'; \
+	echo; \
+	docker run -a stdout $(DOCKER_FLAGS) vint -s /testplugin | sed s:^/testplugin/:: || EXIT=$$?; \
+	echo; \
+	echo; \
 	exit $$EXIT;
 
-.PHONY: test-setup test
+.DEFAULT_GOAL := test
diff --git a/plugin/ale.vim b/plugin/ale.vim
index 58c7198..9b45cd7 100644
--- a/plugin/ale.vim
+++ b/plugin/ale.vim
@@ -26,7 +26,7 @@ endif
 
 let g:ale_buffer_loclist_map = {}
 let g:ale_buffer_should_reset_map = {}
-let ale_buffer_sign_dummy_map = {}
+let g:ale_buffer_sign_dummy_map = {}
 
 " User Configuration
 
diff --git a/test/vimrc b/test/vimrc
index ba65ebf..1ab04d0 100644
--- a/test/vimrc
+++ b/test/vimrc
@@ -2,7 +2,7 @@
 
 " Load builtin plugins
 " We need this because run_vim.sh sets -i NONE
-set runtimepath=/home/vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,/home/vim/after
+set runtimepath=/home/vim,$VIM/vimfiles,$VIMRUNTIME,$VIM/vimfiles/after,/testplugin
 set runtimepath+=/home/ale
 set runtimepath+=/vader