feat: support pytest trace back parsing

__tests__/pytest-junit.test.ts

@@ -21,4 +21,24 @@ describe('pytest-junit tests', () => {
     expect(result.tests).toBe(1)
     expect(result.result).toBe('success')
   })
+
+  it('test failure with trace back', async () => {
+    const fixturePath = path.join(__dirname, 'fixtures', 'external', 'pytest', 'report-tb-short.xml')
+    const filePath = normalizeFilePath(path.relative(__dirname, fixturePath))
+    const fileContent = fs.readFileSync(fixturePath, {encoding: 'utf8'})
+
+    const opts: ParseOptions = {
+      parseErrors: true,
+      trackedFiles: []
+    }
+
+    const parser = new PytestJunitParser(opts)
+    const result = await parser.parse(filePath, fileContent)
+    expect(result.tests).toBe(1)
+    expect(result.result).toBe('failed')
+    expect(result.failedSuites[0].failedGroups[0].failedTests[0].error).toMatchObject({
+      line: 6,
+      message: 'assert False'
+    })
+  })
 })