Introduce Property: Add tests for default values

idea/testData/refactoring/introduceProperty/extractFromDefaultValueInConstructor.kt

@@ -0,0 +1,4 @@
+// EXTRACTION_TARGET: property with initializer
+class A(val a: Int = <selection>1 + 2</selection>) {
+
+}

idea/testData/refactoring/introduceProperty/extractFromDefaultValueInConstructor.kt.after

@@ -0,0 +1,6 @@
+private val i = 1 + 2
+
+// EXTRACTION_TARGET: property with initializer
+class A(val a: Int = i) {
+
+}

idea/testData/refactoring/introduceProperty/extractFromDefaultValueInFun.kt

@@ -0,0 +1,6 @@
+// EXTRACTION_TARGET: property with initializer
+class A {
+    fun foo(a: Int = <selection>1 + 2</selection>) {
+
+    }
+}

idea/testData/refactoring/introduceProperty/extractFromDefaultValueInFun.kt.after

@@ -0,0 +1,8 @@
+// EXTRACTION_TARGET: property with initializer
+class A {
+    private val i = 1 + 2
+
+    fun foo(a: Int = i) {
+
+    }
+}