test(esl-utils): apply suggestions from code review

src/modules/esl-utils/decorators/test/attr.test.ts

@@ -107,7 +107,7 @@ describe('Decorator: attr', () => {
     expect(el.defProvider).toBe('');
   });
 
-  describe('inherit parameter', () => {
+  describe('Inherit parameter', () => {
 
     class ThirdElement extends HTMLElement {
       @attr({inherit: 'box'})
@@ -147,7 +147,7 @@ describe('Decorator: attr', () => {
         TEMPLATE.$thirdEl.container = 'container';
         expect(TEMPLATE.$thirdEl.container).toBe('container');
       });
-      test('The value resolves from the closest element (custom-element) in DOM', () => {
+      test('The value should be resolved from the closest DOM element (custom-element)', () => {
         TEMPLATE.$secondEl.setAttribute('box', 'carousel');
         expect(TEMPLATE.$thirdEl.container).toBe('carousel');
       });

src/modules/esl-utils/dom/test/attr.test.ts

@@ -132,13 +132,13 @@ describe('Attribute', () => {
     $parent.append($el);
     document.body.append($parent);
 
-    test('finds indicated attribute on this element', () => {
+    test('should return attribute from the current element', () => {
       expect(getClosestAttr($el, attrName)).toBe(attrValue);
     });
-    test('finds indicated attribute on closest parent in DOM', () => {
+    test('should return an attribute from the parent DOM element', () => {
       expect(getClosestAttr($el, $parentName)).toBe($parentValue);
     });
-    test('returns null in case indicated attribute is absent in DOM', () => {
+    test('should return null in case the specified attribute is absent at the current element and its parents', () => {
       expect(getClosestAttr($el, 'name')).toBe(null);
     });
   });