feat: add multiple test execution

tests/linux/test_linux_default_startup.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+CURRENT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+# shellcheck disable=SC1091
+source "${CURRENT_DIR}/../tmux_helpers.sh"
+
+# default value of status-left section from gruvbox theme
+readonly STATUS_LEFT_DEFAULT="#[bg=colour241,fg=colour248] #S #[bg=colour237,fg=colour241,nobold,noitalics,nounderscore]"
+
+main() {
+  helper_tearup_linux_tmux
+
+  cat <<EOF >~/.tmux.conf
+# List of plugins
+set -g @plugin 'tmux-plugins/tpm'
+set -g @plugin 'tmux-plugins/tmux-sensible'
+
+# Other plugins
+set -g @plugin 'egel/tmux-gruvbox'
+set -g @tmux-gruvbox 'dark'
+
+# Initialize TMUX plugin manager (keep this line at the very bottom of tmux.conf)
+run '~/.tmux/plugins/tpm/tpm'
+EOF
+
+  cat ~/.tmux.conf
+
+  helper_install_tpm_plugins
+
+  # start new detached session
+  tmux new -d
+
+  # get status of something from theme
+  _status_left_current=$(tmux show-option -gqv status-left)
+  if [[ "$STATUS_LEFT_DEFAULT" != "$_status_left_current" ]]; then
+    helper_print_fail_and_exit "Status left did not match"
+  fi
+
+  helper_print_success_and_exit "Status left match"
+}
+
+main "$@"