fix timeline width to extend full-width #769

	name: e2e-dashboard-tests
	on:
	pull_request:
	branches:
	- main
	paths:
	- '.github/workflows/e2e-dashboard-tests.yml'
	- '**.py'
	- 'tslib/**.ts'
	- 'tslib/**.tsx'
	- 'tslib/**/package.json'
	- 'tslib/**/package-lock.json'
	- 'optuna_dashboard/**.ts'
	- 'optuna_dashboard/**.tsx'
	- 'optuna_dashboard/package.json'
	- 'optuna_dashboard/package-lock.json'
	- 'optuna_dashboard/tsconfig.json'
	jobs:
	test:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	optuna-version: ['optuna==3.1.0', 'git+https://github.com/optuna/optuna.git']
	steps:
	- uses: actions/checkout@v4

	- name: Setup Node
	uses: actions/setup-node@v2
	with:
	node-version: '20'

	- name: Setup tslib
	run: make tslib

	- name: Build bundle.js
	working-directory: optuna_dashboard
	run: \|
	npm install
	npm run build:dev

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.12'
	architecture: x64

	- name: Setup Optuna ${{ matrix.optuna-version }}
	run: \|
	python -m pip install --progress-bar off --upgrade pip setuptools
	python -m pip install --progress-bar off --upgrade ${{ matrix.optuna-version }}

	- name: Install dependencies
	run: \|
	python -m pip install --progress-bar off .
	python -m pip install --progress-bar off pytest-playwright==0.4.3 # next version is flaky

	- name: Install the required browsers
	run: playwright install

	- name: Run e2e tests
	run: \|
	pytest e2e_tests/test_dashboard

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