Update tests to preserve CSS-independent characters (#2090)

Author: nex3

spec/css/functions/special.hrx

@@ -13,7 +13,7 @@ a {b: -a-calc(@#$%^&*({[]})_-+=|\\:""''<>,.?/)}
 
 <===> prefixed/calc/punctuation/output.css
 a {
-  b: -a-calc(@#$%^&*({[]})_-+=|\\:""""<>,.?/);
+  b: -a-calc(@#$%^&*({[]})_-+=|\\:""''<>,.?/);
 }
 
 <===>
@@ -43,7 +43,7 @@ a {b: type(@#$%^&*({[]})_-+=|\\:""''<>,.?/)}
 
 <===> unprefixed/type/punctuation/output.css
 a {
-  b: type(@#$%^&*({[]})_-+=|\\:""""<>,.?/);
+  b: type(@#$%^&*({[]})_-+=|\\:""''<>,.?/);
 }
 
 <===>

spec/css/moz_document/empty_prefix.hrx

@@ -25,7 +25,7 @@
     b: c;
   }
 }
-@-moz-document url-prefix("") {
+@-moz-document url-prefix('') {
   a {
     b: c;
   }

spec/css/unknown_directive/value_interpolation.hrx

@@ -17,6 +17,6 @@
 @asdf 3;
 @asdf foobarbaz;
 @asdf "foo bar baz";
-@asdf "foo bar baz";
+@asdf 'foo bar baz';
 @asdf url(http://).com/);
 @asdf url("http://).com/");

spec/libsass-closed-issues/issue_1107.hrx

@@ -7,5 +7,5 @@
 
 <===> output.css
 .foo {
-  filter: progid:DXImageTransform.Microsoft.AlphaImageLoader( src="foo", sizingMethod="scale");
+  filter: progid:DXImageTransform.Microsoft.AlphaImageLoader( src="foo", sizingMethod='scale');
 }

spec/libsass-closed-issues/issue_1188.hrx

@@ -7,7 +7,7 @@ foo {
 }
 <===> output.css
 foo {
-  *width: expression((this.parentNode.clientWidth/120px*2 - parseInt(this.currentStyle["paddingLeft"]) - parseInt(this.currentStyle["paddingRight"])) + "px");
+  *width: expression((this.parentNode.clientWidth/120px*2 - parseInt(this.currentStyle['paddingLeft']) - parseInt(this.currentStyle['paddingRight'])) + 'px');
 }
 
 <===> warning

spec/libsass-closed-issues/issue_72.hrx

@@ -9,5 +9,5 @@ test {
 }
 <===> output.css
 test {
-  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr="#223344", endColorstr="#112233",GradientType=0 );
+  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#223344', endColorstr='#112233',GradientType=0 );
 }

spec/non_conformant/scss/ie-functions.hrx

@@ -60,7 +60,7 @@ foo {
   left: expression(document.body.clientWidth/2-oDiv.offsetWidth/2);
   flop: expression(document.body.clientHeight/2-oDiv.offsetHeight/2);
   left: expression(document.body.clientWidth/4);
-  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#FFFF0000", endColorstr="#FF008000", GradientType=1);
+  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#FFFF0000', endColorstr='#FF008000', GradientType=1);
 }
 
 .parser {
@@ -69,7 +69,7 @@ foo {
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#550000FF, endColorstr=#55FFFF00);
   filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1) progid:DXImageTransform.Microsoft.Alpha(opacity=50) progid:DXImageTransform.Microsoft.Blur(strength=10);
   filter: progid:DXImageTransform.Microsoft.Wave(strength=100) progid:DXImageTransform.Microsoft.CheckerBoard(duration=4);
-  filter: progid:DXImageTransform.Microsoft.Wave(strength=100) progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1) progid:DXImageTransform.Microsoft.Iris(irisstyle="STAR", duration=4);
+  filter: progid:DXImageTransform.Microsoft.Wave(strength=100) progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1) progid:DXImageTransform.Microsoft.Iris(irisstyle='STAR', duration=4);
   filter: progid:DXImageTransform.Microsoft.MotionBlur(strength=13, direction=310) progid:DXImageTransform.Microsoft.Blur(pixelradius=2) progid:DXImageTransform.Microsoft.Wheel(duration=3);
-  filter: progid:DXImageTransform.Microsoft.gradient(enabled="false", startColorstr=#550000FF, endColorstr=#55FFFF00);
+  filter: progid:DXImageTransform.Microsoft.gradient(enabled='false', startColorstr=#550000FF, endColorstr=#55FFFF00);
 }