diff --git a/plugins/gradle/java/testSources/importing/GradleExtensionsImportingTest.kt b/plugins/gradle/java/testSources/importing/GradleExtensionsImportingTest.kt
index 2ebcc8b98732..ca9761be6d68 100644
--- a/plugins/gradle/java/testSources/importing/GradleExtensionsImportingTest.kt
+++ b/plugins/gradle/java/testSources/importing/GradleExtensionsImportingTest.kt
@@ -32,27 +32,32 @@ class GradleExtensionsImportingTest : GradleImportingTestCase() {
     when {
       baseVer <= GradleVersion.version("2.7") ->
         expectedExtensions = mapOf<String, String?>("ext" to extraPropertiesExtensionFqn,
+                                                    "idea" to "org.gradle.plugins.ide.idea.model.IdeaModel",
                                                     "sources" to "org.gradle.language.base.internal.DefaultProjectSourceSet",
                                                     "binaries" to "org.gradle.platform.base.internal.DefaultBinaryContainer",
                                                     "defaultArtifacts" to "org.gradle.api.internal.plugins.DefaultArtifactPublicationSet",
                                                     "reporting" to "org.gradle.api.reporting.ReportingExtension")
       baseVer <= GradleVersion.version("2.8") ->
         expectedExtensions = mapOf<String, String?>("ext" to extraPropertiesExtensionFqn,
+                                                    "idea" to "org.gradle.plugins.ide.idea.model.IdeaModel",
                                                     "binaries" to "org.gradle.platform.base.internal.DefaultBinaryContainer",
                                                     "defaultArtifacts" to "org.gradle.api.internal.plugins.DefaultArtifactPublicationSet",
                                                     "reporting" to "org.gradle.api.reporting.ReportingExtension")
       baseVer <= GradleVersion.version("4.9") ->
         expectedExtensions = mapOf<String, String?>("ext" to extraPropertiesExtensionFqn,
+                                                    "idea" to "org.gradle.plugins.ide.idea.model.IdeaModel",
                                                     "defaultArtifacts" to "org.gradle.api.internal.plugins.DefaultArtifactPublicationSet",
                                                     "reporting" to "org.gradle.api.reporting.ReportingExtension")
       baseVer < GradleVersion.version("4.10.3") ->
         expectedExtensions = mapOf<String, String?>("ext" to extraPropertiesExtensionFqn,
+                                                    "idea" to "org.gradle.plugins.ide.idea.model.IdeaModel",
                                                     "defaultArtifacts" to "org.gradle.api.internal.plugins.DefaultArtifactPublicationSet",
                                                     "reporting" to "org.gradle.api.reporting.ReportingExtension",
                                                     "sourceSets" to "org.gradle.api.internal.tasks.DefaultSourceSetContainer",
                                                     "java" to "org.gradle.api.plugins.internal.DefaultJavaPluginExtension")
       else ->
         expectedExtensions = mapOf<String, String?>("ext" to extraPropertiesExtensionFqn,
+                                                    "idea" to "org.gradle.plugins.ide.idea.model.IdeaModel",
                                                     "defaultArtifacts" to "org.gradle.api.internal.plugins.DefaultArtifactPublicationSet",
                                                     "reporting" to "org.gradle.api.reporting.ReportingExtension",
                                                     "sourceSets" to "org.gradle.api.tasks.SourceSetContainer",