Add a silent mode for running the diff.

src/bin_foreign_document_test.rs

@@ -7,6 +7,7 @@ use std::path::PathBuf;
 use futures::future::BoxFuture;
 use futures::future::FutureExt;
 use organic::compare::run_compare_on_file;
+use organic::compare::silent_compare_on_file;
 use tokio::sync::Semaphore;
 use tokio::task::JoinError;
 use walkdir::WalkDir;
@@ -156,11 +157,11 @@ impl TestConfig {
 impl SingleFile {
     async fn run_test(self) -> Result<SingleFileResult, JoinError> {
         let _permit = TEST_PERMITS.acquire().await.unwrap();
-        let result = run_compare_on_file(&self.file_path);
+        let result = silent_compare_on_file(&self.file_path);
         Ok(SingleFileResult {
             name: self.name,
             file_path: self.file_path,
-            status: if result.is_ok() {
+            status: if let Ok(true) = result {
                 TestStatus::Pass
             } else {
                 TestStatus::Fail