tests for comparison of changes in classes

Original commit: ae7cc8e430

jps/jps-plugin/testData/comparison/classPrivateOnlyChange/classWithPrivatePrimaryConstructorChanged/new.kt

@@ -0,0 +1,12 @@
+package test
+
+class ClassWithPrivatePrimaryConstructorAdded private constructor() {
+    private constructor(arg: Int) : this() {}
+}
+
+class ClassWithPrivatePrimaryConstructorRemoved {
+    private constructor(arg: Int) {}
+}
+
+class ClassWithPrivatePrimaryConstructorChanged private constructor(arg: String) {
+}

jps/jps-plugin/testData/comparison/classPrivateOnlyChange/classWithPrivatePrimaryConstructorChanged/old.kt

@@ -0,0 +1,12 @@
+package test
+
+class ClassWithPrivatePrimaryConstructorAdded {
+    private constructor(arg: Int) {}
+}
+
+class ClassWithPrivatePrimaryConstructorRemoved private constructor() {
+    private constructor(arg: Int) : this() {}
+}
+
+class ClassWithPrivatePrimaryConstructorChanged private constructor() {
+}

jps/jps-plugin/testData/comparison/classPrivateOnlyChange/classWithPrivatePrimaryConstructorChanged/result.out

@@ -0,0 +1,3 @@
+changes in test/ClassWithPrivatePrimaryConstructorAdded: NONE
+changes in test/ClassWithPrivatePrimaryConstructorChanged: NONE
+changes in test/ClassWithPrivatePrimaryConstructorRemoved: NONE