Function waitForFileContent

go/internal/e2e/session_fs_e2e_test.go:516–526

(path string, needle string, timeout time.Duration)

}

func waitForFileContent(path string, needle string, timeout time.Duration) error {
	deadline := time.Now().Add(timeout)
	for time.Now().Before(deadline) {
		content, err := os.ReadFile(path)
		if err == nil && strings.Contains(string(content), needle) {
			return nil
		}
		time.Sleep(50 * time.Millisecond)
	}
	return fmt.Errorf("file %s did not contain %q", path, needle)
}

// TestSessionFSHandlerOperations mirrors the C# Should_Map_All_SessionFS_Handler_Operations test.
// It exercises every operation on testSessionFSHandler directly to ensure the test helper