Add incremental tests for parameters with default values

jps-plugin/testData/comparison/classMembersOnlyChanged/defaultValues/new.kt

@@ -0,0 +1,17 @@
+package test
+
+class A {
+    fun argumentAdded(x: Int = 1) {}
+    fun argumentRemoved() {}
+
+    fun valueAdded(x: Int = 3) {}
+    fun valueRemoved(x: Int) {}
+    fun valueChanged(x: Int = 6) {}
+}
+
+class ConstructorValueAdded(x: Int = 7)
+class ConstructorValueRemoved(x: Int)
+class ConstructorValueChanged(x: Int = 20)
+
+class ConstructorArgumentAdded(x: Int = 9)
+class ConstructorArgumentRemoved()

jps-plugin/testData/comparison/classMembersOnlyChanged/defaultValues/old.kt

@@ -0,0 +1,17 @@
+package test
+
+class A {
+    fun argumentAdded() {}
+    fun argumentRemoved(x: Int = 2) {}
+
+    fun valueAdded(x: Int) {}
+    fun valueRemoved(x: Int = 4) {}
+    fun valueChanged(x: Int = 5) {}
+}
+
+class ConstructorValueAdded(x: Int)
+class ConstructorValueRemoved(x: Int = 8)
+class ConstructorValueChanged(x: Int = 19)
+
+class ConstructorArgumentAdded()
+class ConstructorArgumentRemoved(x: Int = 10)

jps-plugin/testData/comparison/classMembersOnlyChanged/defaultValues/result.out

@@ -0,0 +1,7 @@
+changes in test/A: MEMBERS
+    [argumentAdded, argumentRemoved, valueAdded, valueRemoved]
+changes in test/ConstructorArgumentAdded: CLASS_SIGNATURE
+changes in test/ConstructorArgumentRemoved: CLASS_SIGNATURE
+changes in test/ConstructorValueAdded: CLASS_SIGNATURE
+changes in test/ConstructorValueChanged: NONE
+changes in test/ConstructorValueRemoved: CLASS_SIGNATURE