diff --git a/j2k/build.gradle.kts b/j2k/build.gradle.kts
index c90ba793fba..b36f350d728 100644
--- a/j2k/build.gradle.kts
+++ b/j2k/build.gradle.kts
@@ -52,3 +52,17 @@ projectTest {
 }
 
 testsJar()
+
+
+val testForWebDemo by task<Test> {
+    include("**/*JavaToKotlinConverterForWebDemoTestGenerated*")
+    classpath = the<JavaPluginConvention>().sourceSets["test"].runtimeClasspath
+    workingDir = rootDir
+}
+
+val test: Test by tasks
+test.apply {
+    exclude("**/*JavaToKotlinConverterForWebDemoTestGenerated*")
+    dependsOn(testForWebDemo)
+}
+