Comparing tests generated from test data

For better debugging

compiler/testData/lazyResolve/simpleClass.kt

@@ -0,0 +1,17 @@
+// FILE: a.kt
+class A {}
+
+// FILE: b.kt
+package p; class C {fun f() {}}
+
+// FILE: c.kt
+package p; open class G<T> {open fun f(): T {} fun a() {}}
+
+// FILE: d.kt
+package p; class G2<E> : G<E> { fun g() : E {} override fun f() : T {}}
+
+// FILE: e.kt
+package p; fun foo() {}
+
+// FILE: f.kt
+package p; fun foo(a: C) {}