Remove codegen tests out of JetNpeTest

compiler/tests/org/jetbrains/jet/codegen/PrimitiveTypesTest.java

@@ -449,4 +449,12 @@ public class PrimitiveTypesTest extends CodegenTestCase {
     public void testKt3078() {
         blackBoxFile("regressions/kt3078.kt");
     }
+
+    public void testIntLiteralIsNotNull() {
+        blackBoxFile("primitiveTypes/intLiteralIsNotNull.kt");
+    }
+
+    public void testNullAsNullableIntIsNull() {
+        blackBoxFile("primitiveTypes/nullAsNullableIntIsNull.kt");
+    }
 }

compiler/tests/org/jetbrains/jet/runtime/JetNpeTest.java

@@ -16,20 +16,15 @@
 
 package org.jetbrains.jet.runtime;
 
+import com.intellij.testFramework.UsefulTestCase;
 import jet.runtime.Intrinsics;
-import org.jetbrains.jet.codegen.CodegenTestCase;
 
-import java.lang.reflect.Method;
-
-public class JetNpeTest extends CodegenTestCase {
+public class JetNpeTest extends UsefulTestCase {
     @Override
     protected void setUp() throws Exception {
         super.setUp();
-        createEnvironmentWithMockJdkAndIdeaAnnotations();
     }
 
-
-
     public void testStackTrace () {
         try {
             Intrinsics.throwNpe();
@@ -41,16 +36,4 @@ public class JetNpeTest extends CodegenTestCase {
             assertEquals(stackTraceElement.getClassName(), "org.jetbrains.jet.runtime.JetNpeTest");
         }
     }
-    
-    public void testNotNull () throws Exception {
-        loadText("fun box() = if(10!! == 10) \"OK\" else \"fail\"");
-        blackBox();
-    }
-
-    public void testNull () throws Exception {
-        loadText("fun box() = if((null : Int?)!! == 10) \"OK\" else \"fail\"");
-//        System.out.println(generateToText());
-        Method box = generateFunction("box");
-        assertThrows(box, NullPointerException.class, null);
-    }
 }