expose grid headers to tests

src/org/labkey/test/components/ui/grids/ResponsiveGrid.java

@@ -642,6 +642,24 @@ public List<String> getColumnLabels()
         return elementCache().getColumnLabels();
     }
 
+    /**
+     *
+     * @return a List&#60;String&#62; containing the names of the fields for each column header
+     */
+    public List<String> getColumnNames()
+    {
+        return elementCache().getColumnNames();
+    }
+
+    /**
+     *
+     * @return a List&#60;FieldKey&#62; containing the fieldKeys for each column header
+     */
+    public List<FieldKey> getColumnFieldKeys()
+    {
+        return elementCache().getColumnFieldKeys();
+    }
+
     /**
      * Get data from a row
      * @param rowIndex  the index of the desired row
@@ -773,7 +791,7 @@ public Optional<String> getGridEmptyMessage()
         return msg;
     }
 
-    List<FieldReference> getHeaders()
+    public List<FieldReference> getHeaders()
     {
         return Collections.unmodifiableList(elementCache().findHeaders());
     }
@@ -861,6 +879,16 @@ protected List<String> getColumnLabels()
             return findHeaders().stream().map(FieldReferenceManager.FieldReference::getLabel).collect(Collectors.toList());
         }
 
+        protected List<String> getColumnNames()
+        {
+            return findHeaders().stream().map(FieldReferenceManager.FieldReference::getName).collect(Collectors.toList());
+        }
+
+        protected List<FieldKey> getColumnFieldKeys()
+        {
+            return findHeaders().stream().map(FieldReferenceManager.FieldReference::getFieldKey).collect(Collectors.toList());
+        }
+
         protected GridRow getRow(int index)
         {
             return getRows().get(index);