CI: retry failed tests

Author: dliubarskyi

.github/workflows/main.yaml

@@ -26,6 +26,7 @@ jobs:
       - name: Build with JDK ${{ matrix.java_version }}
         run: mvn -U -B --fail-at-end -DskipOllamaITs clean install
         env:
+          LC4J_GLOBAL_TEST_RETRY_ENABLED: true
           ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
           AZURE_OPENAI_ENDPOINT: ${{ secrets.AZURE_OPENAI_ENDPOINT }}
           AZURE_OPENAI_KEY: ${{ secrets.AZURE_OPENAI_KEY }}

langchain4j-http-client-spring-restclient/pom.xml

@@ -42,6 +42,16 @@
             <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <!-- needed for automatic test retries (GlobalTestRetryExtension) -->
+            <groupId>dev.langchain4j</groupId>
+            <artifactId>langchain4j-core</artifactId>
+            <version>${langchain4j.stable.version}</version>
+            <classifier>tests</classifier>
+            <type>test-jar</type>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.apache.httpcomponents.client5</groupId>
             <artifactId>httpclient5</artifactId>

langchain4j-http-client-spring-restclient/src/test/resources/junit-platform.properties

@@ -0,0 +1 @@
+junit.jupiter.extensions.autodetection.enabled=true