Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/mariadb/libraries/matchers.rb

@@ -0,0 +1,21 @@
+if defined?(ChefSpec)
+  def add_mariadb_configuration(resource_name)
+    ChefSpec::Matchers::ResourceMatcher
+      .new(:mariadb_configuration, :add, resource_name)
+  end
+
+  def remove_mariadb_configuration(resource_name)
+    ChefSpec::Matchers::ResourceMatcher
+      .new(:mariadb_configuration, :remove, resource_name)
+  end
+
+  def add_mariadb_replication(resource_name)
+    ChefSpec::Matchers::ResourceMatcher
+      .new(:mariadb_replication, :add, resource_name)
+  end
+
+  def remove_mariadb_replication(resource_name)
+    ChefSpec::Matchers::ResourceMatcher
+      .new(:mariadb_replication, :remove, resource_name)
+  end
+end