Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
node:assert:95
  throw new AssertionError(obj);
  ^
AssertionError [ERR_ASSERTION]: Expected values to be strictly equal:
+ actual - expected
+ '\nfiller\n'
- 'goodbye\n'
    at ChildProcess.<anonymous> (/builddir/build/BUILD/nodejs22-22.15.1-build/node-v22.15.1/test/parallel/test-child-process-stdout-flush-exit.js:54:12)
    at ChildProcess.<anonymous> (/builddir/build/BUILD/nodejs22-22.15.1-build/node-v22.15.1/test/common/index.js:435:15)
    at ChildProcess.emit (node:events:518:28)
    at maybeClose (node:internal/child_process:1101:16)
    at ChildProcess._handle.onexit (node:internal/child_process:304:5) {
  generatedMessage: true,
  code: 'ERR_ASSERTION',
  actual: '\nfiller\n',
  expected: 'goodbye\n',
  operator: 'strictEqual'
}
Node.js v22.15.1
Issue in check section - test failing