Feat/checker verbosity

[xross]

ComparisonChecker only prints expected output when verbosity > 1

so with the intended usage, -v gives:

OUTPUT: CONTROLLER START condition
OUTPUT: CONTROLLER Sending direct CCC 0x90 to device 0x3C
OUTPUT: CONTROLLER Broadcast address 0x7E-W |byte: 0xFC|
OUTPUT: CONTROLLER Sending data 0xFC
...

-vv gives:

GOLDEN: CONTROLLER START condition
OUTPUT: CONTROLLER START condition
GOLDEN: CONTROLLER Sending direct CCC 0x90 to device 0x3C
OUTPUT: CONTROLLER Sending direct CCC 0x90 to device 0x3C
GOLDEN: CONTROLLER Broadcast address 0x7E-W |byte: 0xFC|
OUTPUT: CONTROLLER Broadcast address 0x7E-W |byte: 0xFC|
GOLDEN: CONTROLLER Sending data 0xFC
OUTPUT: CONTROLLER Sending data 0xFC
...

[Copilot]

Pull request overview

This PR adjusts ComparisonTester verbosity behavior so normal verbose mode prints only actual output, while higher verbosity also prints golden/expected output.

Changes:

• Prints GOLDEN: lines only when verbosity is greater than 1.
• Keeps OUTPUT: lines printed when verbosity is greater than 0.
• Adds a changelog entry for the verbosity behavior change.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
lib/python/Pyxsim/testers.py	Updates verbose comparison output gating for expected vs actual lines.
CHANGELOG.rst	Documents the changed verbosity behavior.

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