Add another test case for case insensitivity on windows

Author: robertbrignull

extensions/ql-vscode/test/unit-tests/pure/files.test.ts

@@ -268,6 +268,14 @@ describe("containsPath", () => {
       platform: "win32",
       expected: true,
     },
+    {
+      parent:
+        "C:/Users/github/projects/vscode-codeql-starter/codeql-custom-queries-javascript",
+      child:
+        "C:/USERS/GITHUB/PROJECTS/VSCODE-CODEQL-STARTER/CODEQL-CUSTOM-QUERIES-JAVASCRIPT/EXAMPLE.QL",
+      platform: "win32",
+      expected: true,
+    },
     {
       parent:
         "C:/Users/github/projects/vscode-codeql-starter/codeql-custom-queries-javascript",