diff --git a/test/function/samples/cannot-call-external-namespace/_config.js b/test/function/samples/cannot-call-external-namespace/_config.js
index 4774f7de44b..6db47aaaf17 100644
--- a/test/function/samples/cannot-call-external-namespace/_config.js
+++ b/test/function/samples/cannot-call-external-namespace/_config.js
@@ -3,9 +3,12 @@ const assert = require('assert');
 module.exports = {
 	description: 'warns if code calls an external namespace',
 	options: {
-		external: ['fs'],
+		external: ['fs']
 	},
 	warnings(warnings) {
-		assert.deepStrictEqual(warnings.map(String), ["main.js (3:2) Cannot call a namespace ('foo')"]);
-	},
+		assert.deepStrictEqual(warnings.map(String), [
+			"main.js (3:1) Cannot call a namespace ('foo')",
+			"main.js (7:1) Cannot call a namespace ('foo')"
+		]);
+	}
 };
diff --git a/test/function/samples/cannot-call-external-namespace/main.js b/test/function/samples/cannot-call-external-namespace/main.js
index 7f58e3c0da6..3c5998d3518 100644
--- a/test/function/samples/cannot-call-external-namespace/main.js
+++ b/test/function/samples/cannot-call-external-namespace/main.js
@@ -1,6 +1,9 @@
 import * as foo from 'fs';
+
 try {
-  foo();
-}
-catch (e) {
-}
+	foo();
+} catch (e) {}
+
+try {
+	foo``;
+} catch (e) {}
diff --git a/test/function/samples/cannot-call-internal-namespace/_config.js b/test/function/samples/cannot-call-internal-namespace/_config.js
index c96cd50f57d..b61157e6158 100644
--- a/test/function/samples/cannot-call-internal-namespace/_config.js
+++ b/test/function/samples/cannot-call-internal-namespace/_config.js
@@ -1,8 +1,11 @@
 const assert = require('assert');
 
 module.exports = {
-	description: 'errors if code calls an internal namespace',
+	description: 'warns if code calls an internal namespace',
 	warnings(warnings) {
-		assert.deepStrictEqual(warnings.map(String), ["main.js (3:2) Cannot call a namespace ('foo')"]);
-	},
+		assert.deepStrictEqual(warnings.map(String), [
+			"main.js (4:1) Cannot call a namespace ('foo')",
+			"main.js (8:1) Cannot call a namespace ('foo')"
+		]);
+	}
 };
diff --git a/test/function/samples/cannot-call-internal-namespace/main.js b/test/function/samples/cannot-call-internal-namespace/main.js
index 745e43f541c..dcb5f372c44 100644
--- a/test/function/samples/cannot-call-internal-namespace/main.js
+++ b/test/function/samples/cannot-call-internal-namespace/main.js
@@ -1,5 +1,9 @@
 import * as foo from './foo.js';
+
 try {
-  foo();
-}
-catch {}
+	foo();
+} catch {}
+
+try {
+	foo``;
+} catch {}