diff --git a/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/AbstractMultiModuleHighlightingTest.kt b/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/AbstractMultiModuleHighlightingTest.kt
index b35aabba8f5..67915b09c7d 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/AbstractMultiModuleHighlightingTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/AbstractMultiModuleHighlightingTest.kt
@@ -16,6 +16,9 @@
 
 package org.jetbrains.kotlin.idea.caches.resolve
 
+import com.intellij.openapi.module.Module
+import org.jetbrains.kotlin.codegen.forTestCompile.ForTestCompileRuntime
+import org.jetbrains.kotlin.config.TargetPlatformKind
 import org.jetbrains.kotlin.idea.project.PluginJetFilesProvider
 import org.jetbrains.kotlin.idea.stubs.AbstractMultiHighlightingTest
 import org.jetbrains.kotlin.idea.test.PluginTestCaseBase
@@ -25,6 +28,34 @@ abstract class AbstractMultiModuleHighlightingTest : AbstractMultiHighlightingTe
 
     override val testPath = PluginTestCaseBase.getTestDataPathBase() + "/multiModuleHighlighting/"
 
+    protected fun doMultiPlatformTest(
+            vararg platforms: TargetPlatformKind<*>,
+            withStdlibCommon: Boolean = false,
+            configureModule: (Module, TargetPlatformKind<*>) -> Unit = { _, _ -> },
+            useFullJdk: Boolean = false
+    ) {
+        val commonModule = module("common", useFullJdk = useFullJdk)
+        commonModule.createFacet(TargetPlatformKind.Common)
+        if (withStdlibCommon) {
+            commonModule.addLibrary(ForTestCompileRuntime.stdlibCommonForTests())
+        }
+
+        for (platform in platforms) {
+            val path = when (platform) {
+                is TargetPlatformKind.Jvm -> "jvm"
+                is TargetPlatformKind.JavaScript -> "js"
+                else -> error("Unsupported platform: $platform")
+            }
+            val platformModule = module(path, useFullJdk = useFullJdk)
+            platformModule.createFacet(platform)
+            platformModule.enableMultiPlatform()
+            platformModule.addDependency(commonModule)
+            configureModule(platformModule, platform)
+        }
+
+        checkHighlightingInAllFiles()
+    }
+
     protected fun checkHighlightingInAllFiles() {
         var atLeastOneFile = false
         PluginJetFilesProvider.allFilesInProject(myProject!!).forEach { file ->
diff --git a/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiModuleHighlightingTest.kt b/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiModuleHighlightingTest.kt
index 3df79661dd8..9f614753ec4 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiModuleHighlightingTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiModuleHighlightingTest.kt
@@ -16,7 +16,6 @@
 
 package org.jetbrains.kotlin.idea.caches.resolve
 
-import com.intellij.openapi.module.Module
 import com.intellij.openapi.roots.DependencyScope
 import org.jetbrains.kotlin.codegen.forTestCompile.ForTestCompileRuntime
 import org.jetbrains.kotlin.config.JvmTarget
@@ -66,65 +65,37 @@ class MultiModuleHighlightingTest : AbstractMultiModuleHighlightingTest() {
     class MultiPlatform : AbstractMultiModuleHighlightingTest() {
         override val testPath get() = super.testPath + "multiplatform/"
 
-        private fun doTest(
-                vararg platforms: TargetPlatformKind<*>,
-                withStdlibCommon: Boolean = false,
-                configureModule: (Module, TargetPlatformKind<*>) -> Unit = { _, _ -> },
-                useFullJdk: Boolean = false
-        ) {
-            val commonModule = module("common", useFullJdk = useFullJdk)
-            commonModule.createFacet(TargetPlatformKind.Common)
-            if (withStdlibCommon) {
-                commonModule.addLibrary(ForTestCompileRuntime.stdlibCommonForTests())
-            }
-
-            for (platform in platforms) {
-                val path = when (platform) {
-                    is TargetPlatformKind.Jvm -> "jvm"
-                    is TargetPlatformKind.JavaScript -> "js"
-                    else -> error("Unsupported platform: $platform")
-                }
-                val platformModule = module(path, useFullJdk = useFullJdk)
-                platformModule.createFacet(platform)
-                platformModule.enableMultiPlatform()
-                platformModule.addDependency(commonModule)
-                configureModule(platformModule, platform)
-            }
-
-            checkHighlightingInAllFiles()
-        }
-
         fun testBasic() {
-            doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
+            doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
         }
 
         fun testHeaderClass() {
-            doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
+            doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
         }
 
         fun testHeaderWithoutImplForBoth() {
-            doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6], TargetPlatformKind.JavaScript)
+            doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6], TargetPlatformKind.JavaScript)
         }
 
         fun testHeaderPartiallyImplemented() {
-            doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
+            doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
         }
 
         fun testHeaderFunctionProperty() {
-            doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
+            doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
         }
 
         fun testSuppressHeaderWithoutImpl() {
-            doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
+            doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
         }
 
         fun testCatchHeaderExceptionInPlatformModule() {
-            doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6], withStdlibCommon = true)
+            doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6], withStdlibCommon = true)
         }
 
         fun testUseCorrectBuiltInsForCommonModule() {
-            doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_8], TargetPlatformKind.JavaScript,
-                   withStdlibCommon = true, useFullJdk = true, configureModule = { module, platform ->
+            doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_8], TargetPlatformKind.JavaScript,
+                                withStdlibCommon = true, useFullJdk = true, configureModule = { module, platform ->
                 if (platform == TargetPlatformKind.JavaScript) {
                     module.addLibrary(ForTestCompileRuntime.stdlibJsForTests())
                     module.addLibrary(ForTestCompileRuntime.stdlibCommonForTests())
diff --git a/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiModuleLineMarkerTest.kt b/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiModuleLineMarkerTest.kt
index c74e6377b90..9468f1addc3 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiModuleLineMarkerTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/caches/resolve/MultiModuleLineMarkerTest.kt
@@ -21,34 +21,15 @@ import org.jetbrains.kotlin.config.TargetPlatformKind
 
 class MultiModuleLineMarkerTest : AbstractMultiModuleLineMarkerTest() {
 
-    private fun doTest(vararg platforms: TargetPlatformKind<*>) {
-        val commonModule = module("common")
-        commonModule.createFacet(TargetPlatformKind.Common)
-
-        for (platform in platforms) {
-            val path = when (platform) {
-                is TargetPlatformKind.Jvm -> "jvm"
-                is TargetPlatformKind.JavaScript -> "js"
-                else -> error("Unsupported platform: $platform")
-            }
-            val platformModule = module(path)
-            platformModule.createFacet(platform)
-            platformModule.enableMultiPlatform()
-            platformModule.addDependency(commonModule)
-        }
-
-        checkHighlightingInAllFiles()
-    }
-
     fun testFromCommonToJvmHeader() {
-        doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
+        doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
     }
 
     fun testFromCommonToJvmImpl() {
-        doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
+        doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
     }
 
     fun testFromClassToAlias() {
-        doTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
+        doMultiPlatformTest(TargetPlatformKind.Jvm[JvmTarget.JVM_1_6])
     }
 }
\ No newline at end of file
diff --git a/idea/tests/org/jetbrains/kotlin/idea/stubs/AbstractMultiHighlightingTest.kt b/idea/tests/org/jetbrains/kotlin/idea/stubs/AbstractMultiHighlightingTest.kt
index bbc74f3dcab..c657b1630c7 100644
--- a/idea/tests/org/jetbrains/kotlin/idea/stubs/AbstractMultiHighlightingTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/idea/stubs/AbstractMultiHighlightingTest.kt
@@ -16,8 +16,6 @@
 
 package org.jetbrains.kotlin.idea.stubs
 
-import com.intellij.codeInsight.completion.CompletionTestCase
-import com.intellij.codeInsight.daemon.DaemonAnalyzerTestCase
 import com.intellij.codeInsight.daemon.impl.DaemonCodeAnalyzerImpl
 import com.intellij.codeInsight.daemon.impl.HighlightInfo
 import com.intellij.openapi.application.ApplicationManager