test(import/mime): add additional test case for getMime

src/services/import/mime.spec.ts

@@ -16,6 +16,11 @@ describe("#getMime", () => {
             ["test.py"], "text/x-python"
         ],
 
+        [
+            "File extension with inconsisten capitalization that is defined in EXTENSION_TO_MIME",
+            ["test.gRoOvY"], "text/x-groovy"
+        ],
+
         [
             "File extension that is not defined in EXTENSION_TO_MIME should use mimeTypes.lookup",
             ["test.zip"], "application/zip"