move CompleteStatementTest to java-tests

java/java-tests/testData/codeInsight/completeStatement/AtBlockEnd.java

@@ -0,0 +1,7 @@
+public class Foo {
+    {
+        for(int i = 0; i < 100; i++) {
+            x = 3;
+   <caret>     }
+    }
+}