Test resurrect save feature

tests/helpers/resurrect_helpers.sh

@@ -0,0 +1,12 @@
+install_tmux_resurrect_helper() {
+	rm -rf ~/.tmux/plugins/tmux-resurrect/
+	cd "$CURRENT_DIR"
+	git clone --recursive ../ ~/.tmux/plugins/tmux-resurrect/ >/dev/null 2>&1
+	cd - >/dev/null
+}
+
+# we want "fixed" dimensions no matter the size of real display
+set_screen_dimensions() {
+	stty cols 200
+	stty rows 50
+}