fix: gradle throw java.lang.ClassNotFoundException: mock.CatsKarateSimulation issue

Author: xloypaypa

examples/gatling/build.gradle

@@ -28,6 +28,9 @@ sourceSets {
             exclude '**/*.java'
             exclude '**/*.scala'
         }
+        scala {
+            srcDirs = ['src/test/java']
+        }
     }
 }
 

examples/gatling/src/test/java/mock/CatsGatlingSimulation.scala

@@ -1,5 +1,6 @@
 package mock
 
+import scala.language.postfixOps
 import io.gatling.core.Predef._
 import io.gatling.http.Predef._
 

examples/gatling/src/test/java/mock/CatsKarateSimulation.scala

@@ -1,5 +1,6 @@
 package mock
 
+import scala.language.postfixOps
 import com.intuit.karate.gatling.PreDef._
 import io.gatling.core.Predef._
 import scala.concurrent.duration._