switched to enum identifier for test results

src/test/java/gov/usgs/earthquake/nshmp/model/NshmTests.java

@@ -101,7 +101,7 @@ class NshmTests {
 
     // run single model
     NshmModel nshmModel =
-        NshmTestUtils.loadModel(NSHMS.get("nshm-alaska-2023"));
+        NshmTestUtils.loadModel(NSHMS.get("nshm-conus-2018"));
 
     NshmTestUtils.writeExpecteds(nshmModel, Optional.empty());
     nshmModel.exec.shutdown();