Fix MPP wizard tests

Issue #KT-30003 fixed

idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinGradleMobileSharedMultiplatformModuleBuilder.kt

@@ -183,6 +183,20 @@ class KotlinGradleMobileSharedMultiplatformModuleBuilder : KotlinGradleAbstractM
                 }
             }
 
+            task $nativeTestName {
+                def device = project.findProperty("${nativeTargetName}Device")?.toString() ?: "iPhone 8"
+                dependsOn kotlin.targets.$nativeTargetName.binaries.getExecutable('test', 'DEBUG').linkTaskName
+                group = JavaBasePlugin.VERIFICATION_GROUP
+                description = "Runs tests for target '$nativeTargetName' on an iOS simulator"
+
+                doLast {
+                    def binary = kotlin.targets.$nativeTargetName.binaries.getExecutable('test', 'DEBUG').outputFile
+                    exec {
+                        commandLine 'xcrun', 'simctl', 'spawn', device, binary.absolutePath
+                    }
+                }
+            }
+
             configurations {
                 compileClasspath
             }

idea/idea-gradle/tests/org/jetbrains/kotlin/gradle/AbstractGradleMultiplatformWizardTest.kt

@@ -60,7 +60,7 @@ import java.util.*
 
 abstract class AbstractGradleMultiplatformWizardTest : ProjectWizardTestCase<AbstractProjectWizard>() {
 
-    private val pluginVersion = "1.3.20-eap-25"
+    private val pluginVersion = "1.3.21"
 
     override fun createWizard(project: Project?, directory: File): AbstractProjectWizard {
         return NewProjectWizard(project, ModulesProvider.EMPTY_MODULES_PROVIDER, directory.path)