Fix workflow test-group values: adjust line splitting for Java API and agent tests

Signed-off-by: Sergey Karpov <[email protected]>

Author: skarpovdev

.github/workflows/heavy-tests.yml

@@ -34,11 +34,11 @@ jobs:
       matrix:
         include:
           - job-name: "java-api-tests"
-            test-group: "ai.koog.integration.tests.agent.Java* ai.koog.integration.tests.agent.AIAgentBuilderIntegrationTest"
+            test-group: "ai.koog.integration.tests.agent.Java*
             artifact-name: "java-api-tests"
             os: ubuntu-latest
           - job-name: "agent-tests"
-            test-group: "ai.koog.integration.tests.agent.* --exclude-tests ai.koog.integration.tests.agent.Java* --exclude-tests ai.koog.integration.tests.agent.AIAgentBuilderIntegrationTest"
+            test-group: "ai.koog.integration.tests.agent.* --exclude-tests ai.koog.integration.tests.agent.Java*
             artifact-name: "agent-tests"
             os: ubuntu-latest
           - job-name: "single-llm-executor-tests"