Issue 53563: Domain designer lookups don't show newly added entity types after initial load/view (#2770)

- DomainFieldRow helper to get options for sample type lookup

Author: cnathe

src/org/labkey/test/components/domain/DomainFieldRow.java

@@ -1252,6 +1252,12 @@ public DomainFieldRow setSampleType(String sampleTypeName)
         return this;
     }
 
+    public List<String> getAvailableSampleTypes()
+    {
+        expand();
+        return elementCache().getLookupSampleTypeSelect().getOptions().stream().map(WebElement::getText).collect(Collectors.toList());
+    }
+
     public DomainFieldRow setAliquotOption(ExpSchema.DerivationDataScopeType option)
     {
         expand();