JVM IR: generate tests on incremental compilation

compiler/incremental-compilation-impl/test/org/jetbrains/kotlin/incremental/AbstractIrIncrementalJvmCompilerRunnerTest.kt

@@ -0,0 +1,16 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.incremental
+
+import org.jetbrains.kotlin.cli.common.arguments.K2JVMCompilerArguments
+import java.io.File
+
+abstract class AbstractIrIncrementalJvmCompilerRunnerTest : AbstractIncrementalJvmCompilerRunnerTest() {
+    override fun createCompilerArguments(destinationDir: File, testDir: File): K2JVMCompilerArguments =
+        super.createCompilerArguments(destinationDir, testDir).apply {
+            useIR = true
+        }
+}