chore: fix flaky captured_output (#15234)

1 files changed, 6 insertions, 1 deletions

diff --git a/cli/tests/integration/test_tests.rs b/cli/tests/integration/test_tests.rs
index e1c7700db..8e7df2dfb 100644
--- a/cli/tests/integration/test_tests.rs
+++ b/cli/tests/integration/test_tests.rs
@@ -351,7 +351,12 @@ fn captured_output() {
   let output_text = String::from_utf8(output.stdout).unwrap();
   let start = output_text.find(output_start).unwrap() + output_start.len();
   let end = output_text.find(output_end).unwrap();
-  let output_text = output_text[start..end].trim();
+  // replace zero width space that may appear in test output due
+  // to test runner output flusher
+  let output_text = output_text[start..end]
+    .replace('\u{200B}', "")
+    .trim()
+    .to_string();
   let mut lines = output_text.lines().collect::<Vec<_>>();
   // the output is racy on either stdout or stderr being flushed
   // from the runtime into the rust code, so sort it... the main