test: clean error messages

[itsvks19]

Testing updated error messages without emojis

[github-actions]

Validation failed

Checking ownership and validating bundles...
OK incoming/broken-test-1.0.0.klyx: No existing owner for 'com.klyx.test/broken' — first-time publishers are welcome
FAIL incoming/broken-test-1.0.0.klyx: plugin.json 'name' must not be empty
FAIL incoming/broken-test-1.0.0.klyx: plugin.id must not contain '/'
FAIL incoming/broken-test-1.0.0.klyx: plugin.id must start with a letter and contain only letters, digits, and dots
FAIL incoming/broken-test-1.0.0.klyx: plugin.version 'abc' should follow semver (e.g. 1.0.0)
FAIL incoming/broken-test-1.0.0.klyx: plugin.minAppVersion 'x.y.z' should follow semver (e.g. 4.2.0)
FAIL incoming/broken-test-1.0.0.klyx: plugin.maxAppVersion must be a string or null
FAIL incoming/broken-test-1.0.0.klyx: plugin.json 'description' must be a string
FAIL incoming/broken-test-1.0.0.klyx: plugin.entryClass '123invalid' is not a valid fully-qualified class name
FAIL incoming/broken-test-1.0.0.klyx: plugin.json contains invalid field names: ['extra_field with spaces']