diff --git a/test/toDirection.test.ts b/test/toDirection.test.ts
index b933639..485dfcd 100644
--- a/test/toDirection.test.ts
+++ b/test/toDirection.test.ts
@@ -2,7 +2,7 @@ import { describe, expect, it } from 'vitest';
 import { toDirection } from '../src';
 
 describe('toDirection', () => {
-    it('should return ltr for invalid values', () => {
+    it('should return "ltr" for invalid values', () => {
         expect(toDirection('blub')).toBe('ltr');
     });
     it('should accept "rtl"', () => {
diff --git a/test/toFlexDirection.test.ts b/test/toFlexDirection.test.ts
index bfa6226..9981f5d 100644
--- a/test/toFlexDirection.test.ts
+++ b/test/toFlexDirection.test.ts
@@ -2,7 +2,7 @@ import { describe, expect, it } from 'vitest';
 import { toFlexDirection } from '../src';
 
 describe('toFlexDirection', () => {
-    it('should return row for invalid values', () => {
+    it('should return "row" for invalid values', () => {
         expect(toFlexDirection('blub')).toBe('row');
     });
     it('should accept "row"', () => {
diff --git a/test/toFlexWrap.test.ts b/test/toFlexWrap.test.ts
index 70e366d..2e2be65 100644
--- a/test/toFlexWrap.test.ts
+++ b/test/toFlexWrap.test.ts
@@ -2,7 +2,7 @@ import { describe, expect, it } from 'vitest';
 import { toFlexWrap } from '../src';
 
 describe('toFlexWrap', () => {
-    it('should return nowrap for invalid values', () => {
+    it('should return "nowrap" for invalid values', () => {
         expect(toFlexWrap('blub')).toBe('nowrap');
     });
     it('should accept "nowrap"', () => {
diff --git a/test/toWritingMode.test.ts b/test/toWritingMode.test.ts
index b37fba9..6fa2d37 100644
--- a/test/toWritingMode.test.ts
+++ b/test/toWritingMode.test.ts
@@ -14,13 +14,13 @@ describe('toWritingMode', () => {
     it('should return "horizontal-tb" for "rl"', () => {
         expect(toWritingMode('rl')).toBe('horizontal-tb');
     });
-    it('should return "horizontal-tb" for "tb"', () => {
+    it('should return "vertical-lr" for "tb"', () => {
         expect(toWritingMode('tb')).toBe('vertical-lr');
     });
-    it('should return "horizontal-tb" for "tb-lr"', () => {
+    it('should return "vertical-lr" for "tb-lr"', () => {
         expect(toWritingMode('tb-lr')).toBe('vertical-lr');
     });
-    it('should return "horizontal-tb" for "tb-rl"', () => {
+    it('should return "vertical-rl" for "tb-rl"', () => {
         expect(toWritingMode('tb-rl')).toBe('vertical-rl');
     });
     it('should accept "horizontal-tb"', () => {