test: implement test for gray background

Author: asnunes

__tests__/data/usecases/blocks-to-html-converter/block-parsers/decorations/decoration-parsers/color.test.ts

@@ -150,7 +150,7 @@ describe('#convert', () => {
 
       const result = await new ColorDecorationToHtml(text, decoration).convert();
 
-      expect(result).toBe('<span style="background-color: #E03E3E;">Text with color</span>');
+      expect(result).toBe('<span style="background-color: #B4AEAE;">Text with color</span>');
     });
   });
 

__tests__/data/usecases/blocks-to-html-converter/blocks-to-html-converter.test.ts

@@ -361,7 +361,7 @@ describe('#convert', () => {
       it('returns html with ol tag with li tag inside and background', async () => {
         const html = await makeSut(BlockMocks.ORDERED_LIST_WITH_SINGLE_ITEM_AND_FORMAT).convert();
 
-        expect(html).toBe('<ol style="background-color: #E03E3E; ">\n<li>This is a item with background</li>\n</ol>');
+        expect(html).toBe('<ol style="background-color: #B4AEAE; ">\n<li>This is a item with background</li>\n</ol>');
       });
     });