test: update URL snapshot and test case for escaping backslashes (webpack#1621)

Author: ruchira-net

test/runtime/__snapshots__/getUrl.test.js.snap

@@ -86,4 +86,4 @@ exports[`escape should escape url 42`] = `""image other.png#hash""`;
 
 exports[`escape should escape url 43`] = `""image other.png#hash""`;
 
-exports[`escape should escape url 44`] = `"http://url/path\\/"`;
+exports[`escape should escape url 44`] = `"https://www.example.com?path=path\\to\\resource"`;

test/runtime/getUrl.test.js

@@ -127,6 +127,8 @@ describe("escape", () => {
         { hash: "#hash", needQuotes: true },
       ),
     ).toMatchSnapshot();
-    expect(getUrl("http://url/path\\/")).toMatchSnapshot();
+    expect(
+      getUrl("https://www.example.com?path=path\\to\\resource"),
+    ).toMatchSnapshot();
   });
 });