Update rustdoc GUI tests

Author: GuillaumeGomez

tests/rustdoc-gui/search-reexport.goml

@@ -26,7 +26,7 @@ write: (".search-input", "AliasForTheStdReexport")
 wait-for: "//a[@class='result-import']"
 assert-text: (
     "a.result-import .result-name",
-    "AliasForTheStdReexport - see re-export test_docs::TheStdReexport",
+    "re-export AliasForTheStdReexport - see test_docs::TheStdReexport",
 )
 // Same thing again, we click on it to ensure the background is once again set as expected.
 click: "//a[@class='result-import']"

tests/rustdoc-gui/search-result-color.goml

@@ -368,8 +368,8 @@ define-function: (
         // Waiting for the search results to appear...
         wait-for: "#search-tabs"
         // Checking that the colors for the alias element are the ones expected.
-        assert-css: (".result-name > .alias", {"color": |alias|})
-        assert-css: (".result-name > .alias > .grey", {"color": |grey|})
+        assert-css: (".result-name .path .alias", {"color": |alias|})
+        assert-css: (".result-name .path .alias > .grey", {"color": |grey|})
         // Leave the search results to prevent reloading with an already filled search input.
         press-key: "Escape"
     },