Revert "Disable Some R2dbc Tests"

This reverts commit 813179931a.

Closes gh-12339

oauth2/oauth2-client/src/test/java/org/springframework/security/oauth2/client/R2dbcReactiveOAuth2AuthorizedClientServiceTests.java

@@ -25,7 +25,6 @@ import io.r2dbc.h2.H2ConnectionFactory;
 import io.r2dbc.spi.ConnectionFactory;
 import io.r2dbc.spi.Result;
 import org.junit.jupiter.api.BeforeEach;
-import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
@@ -115,14 +114,12 @@ public class R2dbcReactiveOAuth2AuthorizedClientServiceTests {
 	}
 
 	@Test
-	@Disabled // until https://github.com/reactor/reactor-core/issues/3307 is resolved
 	public void loadAuthorizedClientWhenDoesNotExistThenReturnNull() {
 		this.authorizedClientService.loadAuthorizedClient("registration-not-found", "principalName")
 				.as(StepVerifier::create).expectNextCount(0).verifyComplete();
 	}
 
 	@Test
-	@Disabled // until https://github.com/reactor/reactor-core/issues/3307 is resolved
 	public void loadAuthorizedClientWhenExistsThenReturnAuthorizedClient() {
 		Authentication principal = createPrincipal();
 		OAuth2AuthorizedClient expected = createAuthorizedClient(principal, this.clientRegistration);
@@ -153,7 +150,6 @@ public class R2dbcReactiveOAuth2AuthorizedClientServiceTests {
 	}
 
 	@Test
-	@Disabled // until https://github.com/reactor/reactor-core/issues/3307 is resolved
 	public void loadAuthorizedClientWhenExistsButNotFoundInClientRegistrationRepositoryThenThrowDataRetrievalFailureException() {
 		given(this.clientRegistrationRepository.findByRegistrationId(any())).willReturn(Mono.empty());
 		Authentication principal = createPrincipal();
@@ -190,7 +186,6 @@ public class R2dbcReactiveOAuth2AuthorizedClientServiceTests {
 	}
 
 	@Test
-	@Disabled // until https://github.com/reactor/reactor-core/issues/3307 is resolved
 	public void saveAuthorizedClientWhenSaveThenLoadReturnsSaved() {
 		Authentication principal = createPrincipal();
 		final OAuth2AuthorizedClient expected = createAuthorizedClient(principal, this.clientRegistration);
@@ -249,7 +244,6 @@ public class R2dbcReactiveOAuth2AuthorizedClientServiceTests {
 	}
 
 	@Test
-	@Disabled // until https://github.com/reactor/reactor-core/issues/3307 is resolved
 	public void saveAuthorizedClientWhenSaveClientWithExistingPrimaryKeyThenUpdate() {
 		// Given a saved authorized client
 		Authentication principal = createPrincipal();
@@ -303,7 +297,6 @@ public class R2dbcReactiveOAuth2AuthorizedClientServiceTests {
 	}
 
 	@Test
-	@Disabled // until https://github.com/reactor/reactor-core/issues/3307 is resolved
 	public void removeAuthorizedClientWhenExistsThenRemoved() {
 		Authentication principal = createPrincipal();
 		OAuth2AuthorizedClient authorizedClient = createAuthorizedClient(principal, this.clientRegistration);