Move behat to vendor-bin

Makefile

@@ -59,6 +59,7 @@ RELEASE_CHANNEL=git
 # internal aliases
 composer_deps=lib/composer
 composer_dev_deps=lib/composer/phpunit
+acceptance_test_deps=vendor-bin/behat/vendor
 nodejs_deps=build/node_modules
 core_vendor=core/vendor
 
@@ -191,15 +192,15 @@ test-js-debug: $(nodejs_deps)
 	NODE_PATH='$(NODE_PREFIX)/node_modules' $(KARMA) start tests/karma.config.js
 
 .PHONY: test-acceptance-api
-test-acceptance-api: $(composer_dev_deps)
+test-acceptance-api: $(acceptance_test_deps)
 	./tests/acceptance/run.sh --remote --type api
 
 .PHONY: test-acceptance-cli
-test-acceptance-cli: $(composer_dev_deps)
+test-acceptance-cli: $(acceptance_test_deps)
 	./tests/acceptance/run.sh --remote --type cli
 
 .PHONY: test-acceptance-webui
-test-acceptance-webui: $(composer_dev_deps)
+test-acceptance-webui: $(acceptance_test_deps)
 	./tests/acceptance/run.sh --remote --type webUI
 
 .PHONY: test-php-style
@@ -386,3 +387,9 @@ vendor-bin/phpstan/vendor: vendor/bamarni/composer-bin-plugin vendor-bin/phpstan
 
 vendor-bin/phpstan/composer.lock: vendor-bin/phpstan/composer.json
 	@echo phpstan composer.lock is not up to date.
+
+vendor-bin/behat/vendor: vendor/bamarni/composer-bin-plugin vendor-bin/behat/composer.lock
+	composer bin behat install --no-progress
+
+vendor-bin/behat/composer.lock: vendor-bin/behat/composer.json
+	@echo behat composer.lock is not up to date.

composer.json

@@ -20,17 +20,10 @@
     },
     "require-dev": {
         "bamarni/composer-bin-plugin": "^1.2",
-        "behat/behat": "^3.0",
-        "behat/mink-extension": "^2.2",
-        "behat/mink-goutte-driver": "^1.2",
-        "behat/mink-selenium2-driver": "dev-master",
         "jakub-onderka/php-console-highlighter": "^0.4",
-        "jarnaiz/behat-junit-formatter": "^1.3",
         "mikey179/vfsStream": "^1.6",
         "phpunit/phpunit": "^5.7",
-        "rdx/behat-variables": "^1.2",
-        "roave/security-advisories": "dev-master",
-        "sensiolabs/behat-page-object-extension": "^2.0"
+        "roave/security-advisories": "dev-master"
     },
     "require": {
         "php": ">=5.6",