Fix various issues with tests

src/lib/attributes/default-action.sh

@@ -1,5 +1,5 @@
 dotify-set-default-action() {
-  DOTIFY_ATTR_DEFAULT_ACTION="$1"
+  DOTIFY_ATTR_DEFAULT_ACTION="$@"
 }
 
 dotify-get-default-action() {

src/lib/attributes/root-link.sh

@@ -1,5 +1,5 @@
 dotify-set-root-link() {
-  DOTIFY_ATTR_ROOT_LINK="$1"
+  DOTIFY_ATTR_ROOT_LINK="$@"
 }
 
 dotify-get-root-link() {

src/lib/dotfile-commands/default_action.sh

@@ -1,3 +1,3 @@
 default_action() {
-  dotify-set-default-action "$@"
+  dotify-set-default-action $@
 }

src/lib/dotfile-commands/root_link.sh

@@ -1,3 +1,3 @@
 root_link () {
-  dotify-set-root-link "$@"
+  dotify-set-root-link $@
 }