fix failed test

Signed-off-by: aserkes <[email protected]>

archetype/engine-v2/src/main/java/io/helidon/build/archetype/engine/v2/util/ArchetypeValidator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022 Oracle and/or its affiliates.
+ * Copyright (c) 2022, 2023 Oracle and/or its affiliates.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -171,7 +171,7 @@ public VisitResult visitCondition(Condition condition, Context ctx) {
                     default:
                         throw new IllegalStateException("Bad input type");
                 }
-            });
+            }).asBoolean();
         } catch (Expression.UnresolvedVariableException ex) {
             errors.add(String.format("%s %s: '%s'",
                     condition.location(),

archetype/engine-v2/src/test/java/io/helidon/build/archetype/engine/v2/ast/ExpressionTest.java

@@ -43,6 +43,9 @@ public void testTernaryExpression() {
         Expression exp;
         Map<String, Value> variables;
 
+        exp = Expression.parse("'circle'");
+        assertThat(exp.eval().asText(), is("circle"));
+
         exp = Expression.parse("${shape} == 'circle' ? 'red' : 'blue'");
         variables = Map.of("shape", Value.create("circle"));
         assertThat(exp.eval(variables::get).asText(), is("red"));