Update sourcemap test fixtures to match new LibSass behaviour

test/fixtures/source-map-embed/expected.css

@@ -10,4 +10,4 @@
   #navbar li a {
     font-weight: bold; }
 
-/*# sourceMappingURL=data:application/json;base64,ewoJInZlcnNpb24iOiAzLAoJImZpbGUiOiAiZml4dHVyZXMvc291cmNlLW1hcC1lbWJlZC9pbmRleC5jc3MiLAoJInNvdXJjZXMiOiBbCgkJImZpeHR1cmVzL3NvdXJjZS1tYXAtZW1iZWQvaW5kZXguc2NzcyIKCV0sCgkibWFwcGluZ3MiOiAiQUFBQSxBQUFBLE9BQU8sQ0FBQztFQUNOLEtBQUssRUFBRSxHQUFJO0VBQ1gsTUFBTSxFQUFFLElBQUssR0FDZDs7QUFFRCxBQUFRLE9BQUQsQ0FBQyxFQUFFLENBQUM7RUFDVCxlQUFlLEVBQUUsSUFBSyxHQUN2Qjs7QUFFRCxBQUFRLE9BQUQsQ0FBQyxFQUFFLENBQUM7RUFDVCxLQUFLLEVBQUUsSUFBSyxHQUtiO0VBTkQsQUFHRSxPQUhLLENBQUMsRUFBRSxDQUdSLENBQUMsQ0FBQztJQUNBLFdBQVcsRUFBRSxJQUFLLEdBQ25CIiwKCSJuYW1lcyI6IFtdCn0= */
+/*# sourceMappingURL=data:application/json;base64,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 */

test/fixtures/source-map/expected.map

@@ -4,6 +4,6 @@
 	"sources": [
 		"index.scss"
 	],
-	"mappings": "AAAA,AAAA,OAAO,CAAC;EACN,KAAK,EAAE,GAAI;EACX,MAAM,EAAE,IAAK,GACd;;AAED,AAAQ,OAAD,CAAC,EAAE,CAAC;EACT,eAAe,EAAE,IAAK,GACvB;;AAED,AAAQ,OAAD,CAAC,EAAE,CAAC;EACT,KAAK,EAAE,IAAK,GAKb;EAND,AAGE,OAHK,CAAC,EAAE,CAGR,CAAC,CAAC;IACA,WAAW,EAAE,IAAK,GACnB",
-	"names": []
+	"names": [],
+	"mappings": "AAAA,AAAA,OAAO,CAAC;EACN,KAAK,EAAE,GAAG;EACV,MAAM,EAAE,IAAI,GACb;;AAED,AAAA,OAAO,CAAC,EAAE,CAAC;EACT,eAAe,EAAE,IAAI,GACtB;;AAED,AAAA,OAAO,CAAC,EAAE,CAAC;EACT,KAAK,EAAE,IAAI,GAKZ;EAND,AAGE,OAHK,CAAC,EAAE,CAGR,CAAC,CAAC;IACA,WAAW,EAAE,IAAI,GAClB"
 }