Add quickfix for RETURN_TYPE_MISMATCH_ON_OVERRIDE

#KT-27972 Fixed

idea/testData/quickfix/changeSuperTypeListEntryTypeArgument/propertyTypeMismatchOnOverride.kt

@@ -0,0 +1,18 @@
+// "Change type argument to String" "true"
+abstract class Foo<T1, T2> {
+    abstract fun foo1(): T1
+    abstract val foo2: T2
+}
+
+interface Bar<T1, T2> {
+    val bar1: T1
+    fun bar2(): T2
+}
+
+class Test : Foo<Int, Int>(), Bar<Int, Int> {
+    override fun foo1(): Int = 1
+    override val foo2: <caret>String = "2"
+
+    override val bar1: Int = 3
+    override fun bar2(): Int = 4
+}

idea/testData/quickfix/changeSuperTypeListEntryTypeArgument/propertyTypeMismatchOnOverride.kt.after

@@ -0,0 +1,18 @@
+// "Change type argument to String" "true"
+abstract class Foo<T1, T2> {
+    abstract fun foo1(): T1
+    abstract val foo2: T2
+}
+
+interface Bar<T1, T2> {
+    val bar1: T1
+    fun bar2(): T2
+}
+
+class Test : Foo<Int, String>(), Bar<Int, Int> {
+    override fun foo1(): Int = 1
+    override val foo2: String = "2"
+
+    override val bar1: Int = 3
+    override fun bar2(): Int = 4
+}

idea/testData/quickfix/changeSuperTypeListEntryTypeArgument/propertyTypeMismatchOnOverride2.kt

@@ -0,0 +1,18 @@
+// "Change type argument to Long" "true"
+abstract class Foo<T1, T2> {
+    abstract fun foo1(): T1
+    abstract val foo2: T2
+}
+
+interface Bar<T1, T2> {
+    val bar1: T1
+    fun bar2(): T2
+}
+
+class Test : Foo<Int, Int>(), Bar<Int, Int> {
+    override fun foo1(): Int = 1
+    override val foo2: Int = 2
+
+    override val <caret>bar1 = 3L
+    override fun bar2(): Int = 4
+}

idea/testData/quickfix/changeSuperTypeListEntryTypeArgument/propertyTypeMismatchOnOverride2.kt.after

@@ -0,0 +1,18 @@
+// "Change type argument to Long" "true"
+abstract class Foo<T1, T2> {
+    abstract fun foo1(): T1
+    abstract val foo2: T2
+}
+
+interface Bar<T1, T2> {
+    val bar1: T1
+    fun bar2(): T2
+}
+
+class Test : Foo<Int, Int>(), Bar<Long, Int> {
+    override fun foo1(): Int = 1
+    override val foo2: Int = 2
+
+    override val bar1 = 3L
+    override fun bar2(): Int = 4
+}

idea/testData/quickfix/changeSuperTypeListEntryTypeArgument/returnTypeMismatchOnOverride.kt

@@ -0,0 +1,18 @@
+// "Change type argument to Long" "true"
+abstract class Foo<T1, T2> {
+    abstract fun foo1(): T1
+    abstract val foo2: T2
+}
+
+interface Bar<T1, T2> {
+    val bar1: T1
+    fun bar2(): T2
+}
+
+class Test : Foo<Int, Int>(), Bar<Int, Int> {
+    override fun foo1(): <caret>Long = 1L
+    override val foo2: Int = 2
+
+    override val bar1: Int = 3
+    override fun bar2(): Int = 4
+}

idea/testData/quickfix/changeSuperTypeListEntryTypeArgument/returnTypeMismatchOnOverride.kt.after

@@ -0,0 +1,18 @@
+// "Change type argument to Long" "true"
+abstract class Foo<T1, T2> {
+    abstract fun foo1(): T1
+    abstract val foo2: T2
+}
+
+interface Bar<T1, T2> {
+    val bar1: T1
+    fun bar2(): T2
+}
+
+class Test : Foo<Long, Int>(), Bar<Int, Int> {
+    override fun foo1(): Long = 1L
+    override val foo2: Int = 2
+
+    override val bar1: Int = 3
+    override fun bar2(): Int = 4
+}

idea/testData/quickfix/changeSuperTypeListEntryTypeArgument/returnTypeMismatchOnOverride2.kt

@@ -0,0 +1,18 @@
+// "Change type argument to String" "true"
+abstract class Foo<T1, T2> {
+    abstract fun foo1(): T1
+    abstract val foo2: T2
+}
+
+interface Bar<T1, T2> {
+    val bar1: T1
+    fun bar2(): T2
+}
+
+class Test : Foo<Int, Int>(), Bar<Int, Int> {
+    override fun foo1(): Int = 1
+    override val foo2: Int = 2
+
+    override val bar1: Int = 3
+    override fun <caret>bar2() = "4"
+}

idea/testData/quickfix/changeSuperTypeListEntryTypeArgument/returnTypeMismatchOnOverride2.kt.after

@@ -0,0 +1,18 @@
+// "Change type argument to String" "true"
+abstract class Foo<T1, T2> {
+    abstract fun foo1(): T1
+    abstract val foo2: T2
+}
+
+interface Bar<T1, T2> {
+    val bar1: T1
+    fun bar2(): T2
+}
+
+class Test : Foo<Int, Int>(), Bar<Int, String> {
+    override fun foo1(): Int = 1
+    override val foo2: Int = 2
+
+    override val bar1: Int = 3
+    override fun bar2() = "4"
+}