Merged tests with inline functions in class and in package.

Now this test also checks situation when several class files with inline functions are emitted from one source file.

jps-plugin/testData/incremental/inlineFunctionsUnchanged/inline.kt

@@ -0,0 +1,13 @@
+package inline
+
+inline fun f(body: () -> Unit) {
+    println("i'm inline function")
+    body()
+}
+
+class Klass {
+    inline fun f(body: () -> Unit) {
+        println("i'm inline function")
+        body()
+    }
+}