enable tests on common-docker

[hk10111]

Change Description

Enable tests so that #662 can be tested with PR build workflow

Testing

[Copilot]

PR Overview

This PR enables the execution of tests in the common-docker build workflows, allowing PR builds to validate code changes with automated tests.

• Removed the "-Dmaven.test.skip" flag from Maven commands in both Docker build configuration files
• Updated configuration for both cp_dockerfile_build.yml and semaphore.yml to ensure tests run during the CI process

Reviewed Changes

File	Description
.semaphore/cp_dockerfile_build.yml	Removed the maven test skip flag to enable test runs
.semaphore/semaphore.yml	Removed the maven test skip flag to enable test runs

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.