Just check the number of locations

Only tests the property we are looking for and avoids problems with
different cross-platform behavior.

Author: henrymercer

.github/workflows/__diagnostics-export.yml

@@ -51,10 +51,6 @@ steps:
           if (n.locations.length !== 1) {
             core.setFailed(`Expected the status page diagnostic to have exactly 1 location, but found ${n.locations.length}.`);
           }
-          const actualUri = n.locations[0].physicalLocation?.artifactLocation?.uri
-          if (actualUri !== '/path/to/file') {
-            core.setFailed(`Expected the status page diagnostic to have a location with the URI '/path/to/file', but found '${actualUri}'.`);
-          }
         }
 
         const sarif = JSON.parse(fs.readFileSync(process.env['SARIF_PATH'], 'utf8'));