reassign on introduce variable: ensure renamed; tests

java/java-tests/testData/refactoring/inplaceIntroduceVariable/reassignSimple.java

@@ -0,0 +1,6 @@
+class C {
+    {
+      String s;
+      System.out.println("<caret>");
+    }
+}

java/java-tests/testData/refactoring/inplaceIntroduceVariable/reassignSimple_after.java

@@ -0,0 +1,7 @@
+class C {
+    {
+      String s;
+        s = "";
+        System.out.println(s);
+    }
+}

java/java-tests/testData/refactoring/inplaceIntroduceVariable/reassignWhenVariableWasPutInLoopBody.java

@@ -0,0 +1,7 @@
+class C {
+    {
+      String strA = "bar";
+      if (true
+        ) System.out.println("<caret>");
+    }
+}

java/java-tests/testData/refactoring/inplaceIntroduceVariable/reassignWhenVariableWasPutInLoopBody_after.java

@@ -0,0 +1,10 @@
+class C {
+    {
+      String strA = "bar";
+      if (true
+        ) {
+          strA = "";
+          System.out.println(strA);
+      }
+    }
+}