testng: allow to pass runner parameters (IDEA-144044)

java/execution/impl/src/com/intellij/execution/JavaTestFrameworkRunnableState.java

@@ -62,6 +62,7 @@ import org.jetbrains.jps.model.serialization.PathMacroUtil;
 import java.io.*;
 import java.net.InetAddress;
 import java.net.ServerSocket;
+import java.util.Collections;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -195,12 +196,16 @@ public abstract class JavaTestFrameworkRunnableState<T extends ModuleBasedConfig
     }
 
     if (!StringUtil.isEmptyOrSpaces(parameters)) {
-      javaParameters.getProgramParametersList().add("@name" + parameters);
+      javaParameters.getProgramParametersList().addAll(getNamedParams(parameters));
     }
 
     return javaParameters;
   }
 
+  protected List<String> getNamedParams(String parameters) {
+    return Collections.singletonList("@name" + parameters);
+  }
+
   private ServerSocket myForkSocket = null;
 
   @Nullable

plugins/testng/src/com/theoryinpractice/testng/configuration/TestNGRunnableState.java

@@ -217,6 +217,17 @@ public class TestNGRunnableState extends JavaTestFrameworkRunnableState<TestNGCo
     return javaParameters;
   }
 
+  @Override
+  protected List<String> getNamedParams(String parameters) {
+    try {
+      Integer.parseInt(parameters);
+      return super.getNamedParams(parameters);
+    }
+    catch (NumberFormatException e) {
+      return Arrays.asList(parameters.split(" "));
+    }
+  }
+
   @NotNull
   @Override
   protected String getForkMode() {