Add test for KT-5554: coerce arrays in return

#KT-5554 Fixed

idea/testData/debugger/tinyApp/outs/kt5554OnlyIntsShouldBeCoerced.out

@@ -0,0 +1,8 @@
+LineBreakpoint created at kt5554OnlyIntsShouldBeCoerced.kt:5
+!JDK_HOME!\bin\java -agentlib:jdwp=transport=dt_socket,address=!HOST_NAME!:!HOST_PORT!,suspend=y,server=n -Dfile.encoding=!FILE_ENCODING! -classpath !APP_PATH!\classes;!KOTLIN_RUNTIME!;!CUSTOM_LIBRARY!;!RT_JAR! kt5554OnlyIntsShouldBeCoerced.Kt5554OnlyIntsShouldBeCoercedPackage
+Connected to the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+kt5554OnlyIntsShouldBeCoerced.kt:4
+Compile bytecode for Class.forName("java.lang.Object").getGenericInterfaces()
+Disconnected from the target VM, address: '!HOST_NAME!:PORT_NAME!', transport: 'socket'
+
+Process finished with exit code 0

idea/testData/debugger/tinyApp/src/evaluate/singleBreakpoint/kt5554OnlyIntsShouldBeCoerced.kt

@@ -0,0 +1,9 @@
+package kt5554OnlyIntsShouldBeCoerced
+
+fun main(args: Array<String>) {
+    //Breakpoint!
+    args.size
+}
+
+// EXPRESSION: Class.forName("java.lang.Object").getGenericInterfaces()
+// RESULT: instance of java.lang.Class[0] (id=ID): [Ljava/lang/Class;