IGNITE-15356 Fix code style
diff --git a/modules/runner/src/integrationTest/java/org/apache/ignite/internal/runner/app/PlatformTestNodeRunner.java b/modules/runner/src/integrationTest/java/org/apache/ignite/internal/runner/app/PlatformTestNodeRunner.java
index 3ae3e85..19554e3 100644
--- a/modules/runner/src/integrationTest/java/org/apache/ignite/internal/runner/app/PlatformTestNodeRunner.java
+++ b/modules/runner/src/integrationTest/java/org/apache/ignite/internal/runner/app/PlatformTestNodeRunner.java
@@ -92,7 +92,7 @@
 
         String ports = startedNodes.stream()
                 .map(n -> String.valueOf(getPort((IgniteImpl)n)))
-                .collect(Collectors.joining (","));
+                .collect(Collectors.joining(","));
 
         System.out.println("THIN_CLIENT_PORTS=" + ports);