[424078] [formatting] CSS formatter should insert space after selector separator (after comma)

tests/org.eclipse.wst.html.core.tests/src/org/eclipse/wst/html/core/tests/format/testfiles/html/htmlwithcss-fmt.html

diff --git a/tests/org.eclipse.wst.html.core.tests/src/org/eclipse/wst/html/core/tests/format/testfiles/html/htmlwithcss-fmt.html b/tests/org.eclipse.wst.html.core.tests/src/org/eclipse/wst/html/core/tests/format/testfiles/html/htmlwithcss-fmt.html
index 6bce69d..8fa9d3a 100644
--- a/tests/org.eclipse.wst.html.core.tests/src/org/eclipse/wst/html/core/tests/format/testfiles/html/htmlwithcss-fmt.html
+++ b/tests/org.eclipse.wst.html.core.tests/src/org/eclipse/wst/html/core/tests/format/testfiles/html/htmlwithcss-fmt.html
@@ -10,7 +10,7 @@
 	color: white;
 }
 
-a:link,a:visited,a:active {
+a:link, a:visited, a:active {
 	color: red;
 	text-decoration: none
 }