diff --git a/src/vs/workbench/services/search/test/common/search.test.ts b/src/vs/workbench/services/search/test/common/search.test.ts
index cab2fe686c1..4faa4bb4516 100644
--- a/src/vs/workbench/services/search/test/common/search.test.ts
+++ b/src/vs/workbench/services/search/test/common/search.test.ts
@@ -105,7 +105,7 @@ suite('TextSearchResult', () => {
 		const range2 = new SearchRange(5, 133, 5, 136);
 		const range3 = new SearchRange(5, 141, 5, 144);
 		const result = new TextSearchMatch('foo bar 123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 foo bar baz bar', [range1, range2, range3], previewOptions);
-		assert.deepEqual(result.preview.matches, [new SearchRange(0, 4, 0, 7), new SearchRange(0, 42, 0, 45), new SearchRange(0, 50, 0, 53)]);
+		assert.deepStrictEqual(result.preview.matches, [new OneLineRange(0, 4, 7), new OneLineRange(0, 42, 45), new OneLineRange(0, 50, 53)]);
 		assert.strictEqual(result.preview.text, 'foo bar 123456⟪ 117 characters skipped ⟫o bar baz bar');
 	});
 
@@ -128,7 +128,7 @@ suite('TextSearchResult', () => {
 
 	// 	const range = new SearchRange(5, 4, 6, 3);
 	// 	const result = new TextSearchResult('foo bar\nfoo bar', range, previewOptions);
-	// 	assert.deepEqual(result.range, range);
+	// 	assert.deepStrictEqual(result.range, range);
 	// 	assertPreviewRangeText('bar\nfoo', result);
 	// });
 });