Switched from HashSet to LinkedHashSet in PropertyAccesses

Author: kolovos

plugins/org.eclipse.epsilon.eol.engine/src/org/eclipse/epsilon/eol/execute/introspection/recording/PropertyAccesses.java

@@ -12,6 +12,7 @@
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Objects;
@@ -33,7 +34,7 @@ public Collection<? extends IPropertyAccess> all() {
 
 	@Override
 	public Set<? extends IPropertyAccess> unique() {
-		return new HashSet<>(storage);
+		return new LinkedHashSet<>(storage);
 	}
 
 	public void add(IPropertyAccess propertyAccess) {