Fix ExampleInstrumentedTest package assertion

[jlcp89]

What to build

ExampleInstrumentedTest asserts the package com.desarrollojlcp.structuralanalysis2d, which does not match the real applicationId com.desarrollojlcp.structuralengineer2d. Fix the assertion (or delete the skeleton).

Acceptance criteria

• Assertion uses the real package name
• connectedAndroidTest (or removal) leaves the suite green

Blocked by

• None — can start immediately

[jlcp89]

Closed by AFK loop — see commit f307203