fix(challenge): Updated tests to avoid confusion (#57)

Author: prateek3255

challenges/01-responsive-web-design/applied-visual-design.json

@@ -2637,25 +2637,25 @@
           "text":
             "The <code>background-color</code> property of the <code>heart:after</code> selector should be pink.",
           "testString":
-            "assert(code.match(/\\.heart:after\\s*?{\\s*?background-color:\\s*?pink;/gi), 'The <code>background-color</code> property of the <code>heart:after</code> selector should be pink.');"
+            "assert(code.match(/\\.heart:after\\s*?{\\s*?background-color\\s*?:\\s*?pink\\s*?;/gi), 'The <code>background-color</code> property of the <code>heart:after</code> selector should be pink.');"
         },
         {
           "text":
             "The <code>border-radius</code> of the <code>heart:after</code> selector should be 50%.",
           "testString":
-            "assert(code.match(/border-radius:\\s*?50%/gi).length == 2, 'The <code>border-radius</code> of the <code>heart:after</code> selector should be 50%.');"
+            "assert(code.match(/border-radius\\s*?:\\s*?50%/gi).length == 2, 'The <code>border-radius</code> of the <code>heart:after</code> selector should be 50%.');"
         },
         {
           "text":
             "The <code>transform</code> property for the <code>heart</code> class should use a <code>rotate()</code> function set to -45 degrees.",
           "testString":
-            "assert(code.match(/transform:\\s*?rotate\\(-45deg\\)/gi), 'The <code>transform</code> property for the <code>heart</code> class should use a <code>rotate()</code> function set to -45 degrees.');"
+            "assert(code.match(/transform\\s*?:\\s*?rotate\\(\\s*?-45deg\\s*?\\)/gi), 'The <code>transform</code> property for the <code>heart</code> class should use a <code>rotate()</code> function set to -45 degrees.');"
         },
         {
           "text":
             "The <code>content</code> of the <code>heart:before</code> selector should be an empty string.",
           "testString":
-            "assert(code.match(/\\.heart:before\\s*?{\\s*?content:\\s*?(\"|')\\1;/gi), 'The <code>content</code> of the <code>heart:before</code> selector should be an empty string.');"
+            "assert(code.match(/\\.heart:before\\s*?{\\s*?content\\s*?:\\s*?(\"|')\\1\\s*?;/gi), 'The <code>content</code> of the <code>heart:before</code> selector should be an empty string.');"
         }
       ],
       "solutions": [],