diff --git a/spring-addons-oauth2-test/src/main/java/com/c4_soft/springaddons/security/oauth2/test/annotations/WithJwt.java b/spring-addons-oauth2-test/src/main/java/com/c4_soft/springaddons/security/oauth2/test/annotations/WithJwt.java
index 0f3f0c132..bcf00aebf 100644
--- a/spring-addons-oauth2-test/src/main/java/com/c4_soft/springaddons/security/oauth2/test/annotations/WithJwt.java
+++ b/spring-addons-oauth2-test/src/main/java/com/c4_soft/springaddons/security/oauth2/test/annotations/WithJwt.java
@@ -35,6 +35,7 @@
 import org.springframework.security.core.context.SecurityContext;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.oauth2.jwt.Jwt;
+import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationConverter;
 import org.springframework.security.test.context.support.WithSecurityContext;
 import org.springframework.security.test.context.support.WithSecurityContextFactory;
 import org.springframework.util.StringUtils;
@@ -109,6 +110,8 @@ public static final class AuthenticationFactory implements WithSecurityContextFa
 
 		private final Optional<Converter<Jwt, ? extends Mono<? extends AbstractAuthenticationToken>>> reactiveJwtAuthenticationConverter;
 
+		private final Converter<Jwt, AbstractAuthenticationToken> defaultAuthenticationConverter = new JwtAuthenticationConverter();
+
 		@Override
 		public SecurityContext createSecurityContext(WithJwt annotation) {
 			final var auth = authentication(annotation);
@@ -160,9 +163,7 @@ public AbstractAuthenticationToken authentication(Map<String, Object> claims, Ma
 			}).orElseGet(() -> reactiveJwtAuthenticationConverter.map(c -> {
 				final AbstractAuthenticationToken auth = c.convert(jwt).block();
 				return auth;
-			}).orElseThrow(() -> {
-				return new RuntimeException("Missing jwtAuthenticationConverter bean");
-			}));
+			}).orElse(defaultAuthenticationConverter.convert(jwt)));
 		}
 
 		/**
diff --git a/spring-addons-oauth2-test/src/main/java/com/c4_soft/springaddons/security/oauth2/test/annotations/WithOpaqueToken.java b/spring-addons-oauth2-test/src/main/java/com/c4_soft/springaddons/security/oauth2/test/annotations/WithOpaqueToken.java
index cdf2c1046..eed33cb29 100644
--- a/spring-addons-oauth2-test/src/main/java/com/c4_soft/springaddons/security/oauth2/test/annotations/WithOpaqueToken.java
+++ b/spring-addons-oauth2-test/src/main/java/com/c4_soft/springaddons/security/oauth2/test/annotations/WithOpaqueToken.java
@@ -20,6 +20,7 @@
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
+import java.time.Instant;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.Map;
@@ -33,7 +34,10 @@
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.context.SecurityContext;
 import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.security.oauth2.core.OAuth2AccessToken;
 import org.springframework.security.oauth2.core.OAuth2AuthenticatedPrincipal;
+import org.springframework.security.oauth2.core.OAuth2TokenIntrospectionClaimNames;
+import org.springframework.security.oauth2.server.resource.authentication.BearerTokenAuthentication;
 import org.springframework.security.oauth2.server.resource.introspection.OpaqueTokenAuthenticationConverter;
 import org.springframework.security.oauth2.server.resource.introspection.ReactiveOpaqueTokenAuthenticationConverter;
 import org.springframework.security.test.context.support.WithSecurityContext;
@@ -74,9 +78,9 @@
  *     return authFactory.authenticationsFrom("ch4mp.json", "tonton-pirate.json");
  * }
  * </pre>
- * 
- * If using spring-addons-oauth2-test without spring-addons-starter-oidc-test, you should explicitly import
- * &#64;Import(AuthenticationFactoriesTestConf.class) (otherwise, the &#64;Addons...Test will pull this configuration for you)
+ *
+ * If using spring-addons-oauth2-test without spring-addons-starter-oidc-test, you should explicitly import &#64;Import(AuthenticationFactoriesTestConf.class)
+ * (otherwise, the &#64;Addons...Test will pull this configuration for you)
  *
  * @author Jérôme Wacongne &lt;ch4mp&#64;c4-soft.com&gt;
  */
@@ -164,8 +168,13 @@ public Map<String, Object> getAttributes() {
 			}).orElseGet(() -> reactiveOpaqueTokenAuthenticationConverter.map(c -> {
 				final var auth = c.convert(bearerString, principal).block();
 				return auth;
-			}).orElseThrow(() -> {
-				return new RuntimeException("Missing opaque token authentication converter bean");
+			}).orElseGet(() -> {
+				Instant iat =
+						Optional.ofNullable(principal.getAttribute(OAuth2TokenIntrospectionClaimNames.IAT)).map(Instant.class::cast).orElse(Instant.now());
+				Instant exp = Optional.ofNullable(principal.getAttribute(OAuth2TokenIntrospectionClaimNames.EXP)).map(Instant.class::cast)
+						.orElse(Instant.ofEpochSecond(Instant.now().getEpochSecond() + 300));
+				OAuth2AccessToken accessToken = new OAuth2AccessToken(OAuth2AccessToken.TokenType.BEARER, bearerString, iat, exp);
+				return new BearerTokenAuthentication(principal, accessToken, principal.getAuthorities());
 			}));
 		}