Set environment variable host to http://server.dev.local:
When I set evironment variable "host" to "http://server.dev.local"
Scope
Environment variables set using Cypress.env are only in scope for the current spec file.
Cypress runs each spec file in isolation: the browser is exited between specs. Environment variables added or changed in one spec won't be visible in other specs.
Difference between OS-level and Cypress environment variables
In Cypress, "environment variables" are variables that are accessible via Cypress.env. These are not the same as OS-level environment variables. However, it is possible to set Cypress environment variables from OS-level environment variables.
When I set environment variable: