KotlinCreateTestIntention: disallow intention for expect classes

#KT-26242 Fixed

idea/src/org/jetbrains/kotlin/idea/testIntegration/KotlinCreateTestIntention.kt

@@ -47,13 +47,14 @@ import org.jetbrains.kotlin.idea.util.runWhenSmart
 import org.jetbrains.kotlin.idea.util.runWithAlternativeResolveEnabled
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.endOffset
+import org.jetbrains.kotlin.psi.psiUtil.hasExpectModifier
 import org.jetbrains.kotlin.psi.psiUtil.startOffset
 import java.util.*
 
 class KotlinCreateTestIntention : SelfTargetingRangeIntention<KtNamedDeclaration>(KtNamedDeclaration::class.java, "Create test") {
     override fun applicabilityRange(element: KtNamedDeclaration): TextRange? {
+        if (element.hasExpectModifier() || element.nameIdentifier == null) return null
         if (ModuleUtilCore.findModuleForPsiElement(element) == null) return null
-        if (element.nameIdentifier == null) return null
 
         if (element is KtClassOrObject) {
             if (element.isLocal) return null

idea/testData/multiModuleQuickFix/createTestOnExpect/header/header.kt

@@ -0,0 +1,3 @@
+// "Create test" "false"
+// ACTION: Rename file to Foo.kt
+expect class <caret>Foo

idea/testData/multiModuleQuickFix/createTestOnExpect/jvm/jvm.kt

@@ -0,0 +1 @@
+actual class Foo

idea/testData/quickfix/override/dontOfferToImplementMembersForExpectedClass.kt

@@ -1,5 +1,4 @@
 // "Implement members" "false"
-// ACTION: Create test
 // ACTION: Make internal
 // ACTION: Extract 'A' from current file
 

idea/tests/org/jetbrains/kotlin/idea/quickfix/QuickFixMultiModuleTestGenerated.java

@@ -219,6 +219,11 @@ public class QuickFixMultiModuleTestGenerated extends AbstractQuickFixMultiModul
         runTest("idea/testData/multiModuleQuickFix/createFunInExpectClass/");
     }
 
+    @TestMetadata("createTestOnExpect")
+    public void testCreateTestOnExpect() throws Exception {
+        runTest("idea/testData/multiModuleQuickFix/createTestOnExpect/");
+    }
+
     @TestMetadata("createValInExpectClass")
     public void testCreateValInExpectClass() throws Exception {
         runTest("idea/testData/multiModuleQuickFix/createValInExpectClass/");