Move OpenFGA tests to JUnit Jupiter (#10754)

Author: eddumelendez

modules/openfga/build.gradle

@@ -3,11 +3,15 @@ description = "Testcontainers :: OpenFGA"
 dependencies {
     api project(':testcontainers')
 
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher:1.11.0'
+
+    testImplementation 'org.junit.jupiter:junit-jupiter:5.13.4'
     testImplementation 'org.assertj:assertj-core:3.27.3'
     testImplementation 'dev.openfga:openfga-sdk:0.9.0'
 }
 
 test {
+    useJUnitPlatform()
     javaLauncher = javaToolchains.launcherFor {
         languageVersion = JavaLanguageVersion.of(17)
     }

modules/openfga/src/test/java/org/testcontainers/openfga/OpenFGAContainerTest.java

@@ -5,16 +5,16 @@
 import dev.openfga.sdk.api.configuration.ClientConfiguration;
 import dev.openfga.sdk.api.model.CreateStoreRequest;
 import dev.openfga.sdk.errors.FgaInvalidParameterException;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.concurrent.ExecutionException;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class OpenFGAContainerTest {
+class OpenFGAContainerTest {
 
     @Test
-    public void withDefaultConfig() throws FgaInvalidParameterException, ExecutionException, InterruptedException {
+    void withDefaultConfig() throws FgaInvalidParameterException, ExecutionException, InterruptedException {
         try ( // container {
             OpenFGAContainer openfga = new OpenFGAContainer("openfga/openfga:v1.4.3")
             // }