Quarkus Resteasy: Error: java.lang.AssertionError: 1 expectation failed. Response body doesn't match expectation. Expected: is "Exception message" Actual:

Issue

• How to test RestEasy for exceptions?
• The exception message doesn't get propagated to the test client in Quarkus RestEasy.

Error:
java.lang.AssertionError: 1 expectation failed.
Response body doesn't match expectation.
Expected: is "Exception Message"
  Actual: 

 at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
 at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
 at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:72)