Grammatical mistakes in docs/demo/tests.md

[Msksgm]

What needs to be changed?

(Hello, I'm not good at english this is my first time to create issue in this repository. Please give forgime me if this issue is incomplete.)

When I tried to traslate docs into Japanese, I might find grammatical mistakes in bellow article.

For the Frontend we are using Cypress execute the different flows in the web store.

opentelemetry.io/content/en/docs/demo/tests.md

Lines 7 to 8 in 43e2cb3

	services. For the Frontend we are using [Cypress](https://www.cypress.io/)
	execute the different flows in the web store. While the backend services use

I think that to is missing between [Cypress](https://www.cypress.io/) and execute.
Then, I think that a bellow sentence is correct.

For the Frontend we are using Cypress to execute the different flows in the web store.

If my opinion is correct, I want to create PR to fix it.

What is the name + path of the page that needs changed? The relative path
and page title where you found a problem.

• name
  • Tests
• path
  • content/en/docs/demo/tests.md