Override/Implement: Use function body template when generating functions with default body

#KT-11807 Fixed

idea/testData/codeInsight/generate/testFrameworkSupport/testNG/dataMethod.kt.after

@@ -6,6 +6,6 @@ import org.testng.annotations.Test
 @Test class A {
     @DataProvider(name = "name")
     fun name(): Array<Array<Any>> {
-        throw UnsupportedOperationException()
+        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
 }

idea/testData/codeInsight/generate/testFrameworkSupport/testNG/setUp.kt.after

@@ -6,6 +6,6 @@ import org.testng.annotations.Test
 @Test class A {
     @BeforeMethod
     fun setUp() {
-        throw UnsupportedOperationException()
+        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
 }

idea/testData/codeInsight/generate/testFrameworkSupport/testNG/tearDown.kt.after

@@ -6,6 +6,6 @@ import org.testng.annotations.Test
 @Test class A {
     @AfterMethod
     fun tearDown() {
-        throw UnsupportedOperationException()
+        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
 }

idea/testData/codeInsight/generate/testFrameworkSupport/testNG/testMethod.kt.after

@@ -5,6 +5,6 @@ import org.testng.annotations.Test
 @Test class A {
     @Test
     fun testName() {
-        throw UnsupportedOperationException()
+        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
     }
 }