diff --git a/markdownlint-cli2.js b/markdownlint-cli2.js
index ad9111e..ca08d15 100755
--- a/markdownlint-cli2.js
+++ b/markdownlint-cli2.js
@@ -56,12 +56,6 @@ const utu = (file, error) => {
   );
 };
 
-// ...
-const wutu = (file, prom) => (value) => {
-  return Promise.resolve(prom(value)).
-    catch((error) => utu(file, error));
-};
-
 // Return a posix path (even on Windows)
 const posixPath = (p) => p.split(pathDefault.sep).join(pathPosix.sep);
 
@@ -318,8 +312,8 @@ const getAndProcessDirInfo = (
     dirToDirInfo[dir] = dirInfo;
 
     let file = null;
+    // eslint-disable-next-line no-return-assign
     const save = (f) => file = f;
-    // const acc = (f) => fs.promises.access(file = f);
 
     // Load markdownlint-cli2 object(s)
     const markdownlintCli2Jsonc =
@@ -332,18 +326,18 @@ const getAndProcessDirInfo = (
         then(
           () => fs.promises.
             readFile(markdownlintCli2Jsonc, utf8).
-            then(getJsoncParse()), //zzz
+            then(getJsoncParse()),
           () => fs.promises.access(save(markdownlintCli2Yaml)).
             then(
               () => fs.promises.
                 readFile(markdownlintCli2Yaml, utf8).
-                then(getYamlParse()), //zzz
-              importOrRequireConfig(
+                then(getYamlParse()),
+              () => importOrRequireConfig(
                 fs,
                 dir,
                 save(".markdownlint-cli2.cjs"),
                 noRequire,
-                importOrRequireConfig(
+                () => importOrRequireConfig(
                   fs,
                   dir,
                   save(".markdownlint-cli2.mjs"),
@@ -356,12 +350,12 @@ const getAndProcessDirInfo = (
                     then(
                       () => fs.promises.
                         readFile(packageJson, utf8).
-                        then(getJsoncParse()). //zzz
+                        then(getJsoncParse()).
                         then((obj) => obj[packageName]),
                       noop
                     )
-                )
-              )
+                )()
+              )()
             )
         ).
         then((options) => {
diff --git a/test/markdownlint-cli2-test-cases.js b/test/markdownlint-cli2-test-cases.js
index 82721ea..2ccfbe8 100644
--- a/test/markdownlint-cli2-test-cases.js
+++ b/test/markdownlint-cli2-test-cases.js
@@ -346,21 +346,21 @@ const testCases = ({
     "name": "markdownlint-json-invalid",
     "args": [ ".*" ],
     "exitCode": 2,
-    "stderrRe": /"\.markdownlint\.json".*Unable to parse JSONC content/u
+    "stderrRe": /\.markdownlint\.json'.*Unable to parse JSONC content/u
   });
 
   testCase({
     "name": "markdownlint-yaml-invalid",
     "args": [ ".*" ],
     "exitCode": 2,
-    "stderrRe": /"\.markdownlint\.yaml".*Map keys must be unique/u
+    "stderrRe": /\.markdownlint\.yaml'.*Map keys must be unique/u
   });
 
   testCase({
     "name": "markdownlint-cjs-invalid",
     "args": [ ".*" ],
     "exitCode": 2,
-    "stderrRe": /"\.markdownlint\.cjs".*Unable to require or import module '/u,
+    "stderrRe": /Unable to require or import module '.*\.markdownlint\.cjs'/u,
     "usesRequire": true
   });
 
@@ -368,7 +368,7 @@ const testCases = ({
     "name": "markdownlint-mjs-invalid",
     "args": [ ".*" ],
     "exitCode": 2,
-    "stderrRe": /"\.markdownlint\.mjs".*Unable to require or import module '/u,
+    "stderrRe": /Unable to require or import module '.*\.markdownlint\.mjs'/u,
     "usesRequire": true
   });
 
@@ -446,7 +446,7 @@ const testCases = ({
     "name": "markdownlint-cli2-jsonc-invalid",
     "args": [ ".*" ],
     "exitCode": 2,
-    "stderrRe": /"\.markdownlint-cli2\.jsonc".*Unable to parse JSONC content/u
+    "stderrRe": /\.markdownlint-cli2\.jsonc".*Unable to parse JSONC content/u
   });
 
   testCase({
@@ -469,7 +469,7 @@ const testCases = ({
     "name": "markdownlint-cli2-yaml-invalid",
     "args": [ ".*" ],
     "exitCode": 2,
-    "stderrRe": /"\.markdownlint-cli2\.yaml".*Map keys must be unique/u
+    "stderrRe": /\.markdownlint-cli2\.yaml".*Map keys must be unique/u
   });
 
   testCase({
@@ -490,7 +490,7 @@ const testCases = ({
     "name": "markdownlint-cli2-cjs-invalid",
     "args": [ ".*" ],
     "exitCode": 2,
-    "stderrRe": /"\.markdownlint-cli2\.cjs".*Unable to require or import module '/u,
+    "stderrRe": /\.markdownlint-cli2\.cjs".*Unable to require or import module '/u,
     "usesRequire": true
   });
 
@@ -498,7 +498,7 @@ const testCases = ({
     "name": "markdownlint-cli2-mjs-invalid",
     "args": [ ".*" ],
     "exitCode": 2,
-    "stderrRe": /"\.markdownlint-cli2\.mjs".*Unable to require or import module '/u,
+    "stderrRe": /\.markdownlint-cli2\.mjs".*Unable to require or import module '/u,
     "usesRequire": true
   });
 
@@ -683,7 +683,7 @@ const testCases = ({
       "name": `config-files-${invalidConfigFile}-invalid-arg`,
       "args": [ "--config", `cfg/${invalidConfigFile}`, "**/*.md" ],
       "exitCode": 2,
-      "stderrRe": new RegExp(`${invalidConfigFile.replace(".", "\\.")}".*${stderrRe}`),
+      "stderrRe": new RegExp(`${invalidConfigFile.replace(".", "\\.")}".*${stderrRe}`, "u"),
       "cwd": "config-files",
       usesRequire
     });
@@ -774,7 +774,7 @@ const testCases = ({
     "name": "package-json-invalid",
     "args": [ "**/*.md" ],
     "exitCode": 2,
-    "stderrRe": /"package\.json".*Unable to parse JSONC content/u
+    "stderrRe": /package\.json".*Unable to parse JSONC content/u
   });
 
   testCase({