fixed PY-6887 Paste changes code logic when making top-level function inner

python/testData/copyPaste/multiLine/IndentInnerFunction1.after.py

@@ -0,0 +1,9 @@
+def foo(self):
+    x = 1
+    y = 2
+
+    def foo(self):
+        x = 1
+        y = 2
+
+    z = 3

python/testData/copyPaste/multiLine/IndentInnerFunction1.dst.py

@@ -0,0 +1,5 @@
+def foo(self):
+    x = 1
+    y = 2
+    <caret>
+    z = 3

python/testData/copyPaste/multiLine/IndentInnerFunction1.src.py

@@ -0,0 +1,4 @@
+<selection>def foo(self):
+    x = 1
+    y = 2
+</selection>

python/testSrc/com/jetbrains/python/PyCopyPasteTest.java

@@ -147,11 +147,15 @@ public class PyCopyPasteTest extends PyTestCase {
     doTestMultiLine();
   }
 
+  public void testIndentInnerFunction1() {  //PY-6887
+    doTestMultiLine();
+  }
+
   public void testIndentFunction() {
     doTestMultiLine();
   }
 
-  public void testDecreaseIndent() {
+  public void testDecreaseIndent() {    //PY-6889
     doTestMultiLine();
   }