diff --git a/package.json b/package.json
index a5e76b7e..c126eeea 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "fix": "standardx --fix '**/*.ts' && standardx --fix '**/*.js' && standardx --fix '**/*.cjs'",
     "pretest": "rimraf build && tsc -p tsconfig.test.json && cross-env NODE_ENV=test npm run build:cjs",
     "test": "c8 mocha ./test/*.cjs",
-    "test:esm": "c8 mocha ./test/esm/cliui-test.mjs",
+    "test:esm": "c8 mocha ./test/**/*.mjs",
     "postest": "check",
     "coverage": "c8 report --check-coverage",
     "precompile": "rimraf build",
diff --git a/test/esm/cliui-test.mjs b/test/esm/cliui-test.mjs
index f57d77d1..93bbff4d 100644
--- a/test/esm/cliui-test.mjs
+++ b/test/esm/cliui-test.mjs
@@ -35,13 +35,14 @@ describe('ESM', () => {
     // TODO: we should flesh out the Deno and ESM implementation
     // such that it spreads words out over multiple columns appropriately:
     const expected = [
-      'i am a string ti am a seconi am a third',
-      'hat should be wd string tha string that',
-      'rapped         t should be  should be w',
-      '               wrapped     rapped'
+      'i am a string  i am a      i am a third',
+      'that should be second      string that',
+      'wrapped        string that should be',
+      '               should be   wrapped',
+      '               wrapped',
     ]
     ui.toString().split('\n').forEach((line, i) => {
       strictEqual(line, expected[i])
     })
   })
-})
\ No newline at end of file
+})