Move multi-file codegen testData to boxMultiFile/

There'll be an auto-generated test over this directory

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

@@ -135,16 +135,4 @@ public class ClassGenTest extends CodegenTestCase {
         //        blackBoxFile("regressions/kt1213.kt");
     }
     */
-
-    public void testKt2060() {
-        blackBoxMultiFile("regressions/kt2060_1.kt", "regressions/kt2060.kt");
-    }
-
-    public void testKt2257() {
-        blackBoxMultiFile("regressions/kt2257_1.kt", "regressions/kt2257_2.kt");
-    }
-
-    public void testKt1845() {
-        blackBoxMultiFile("regressions/kt1845_1.kt", "regressions/kt1845_2.kt");
-    }
 }

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

@@ -1,47 +0,0 @@
-/*
- * Copyright 2010-2013 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package org.jetbrains.jet.codegen;
-
-import org.jetbrains.jet.ConfigurationKind;
-
-public class MultiFileGenTest extends CodegenTestCase {
-    @Override
-    protected void setUp() throws Exception {
-        super.setUp();
-        createEnvironmentWithMockJdkAndIdeaAnnotations(ConfigurationKind.ALL);
-    }
-
-    public void testSimple() {
-        blackBoxMultiFile("/multi/simple/box.kt", "/multi/simple/ok.kt");
-    }
-
-    public void testInternalVisibility() {
-        blackBoxMultiFile("/multi/internalVisibility/box.kt", "/multi/internalVisibility/a.kt");
-    }
-
-    public void testNestedPackagesVisibility() {
-        blackBoxMultiFile("/multi/nestedPackages/box.kt", "/multi/nestedPackages/a.kt");
-    }
-
-    public void testSameNames() {
-        blackBoxMultiFile("/multi/same/1/box.kt", "/multi/same/2/box.kt");
-    }
-
-    public void testKt1515() {
-        blackBoxMultiFile("/multi/kt1515/thisPackage.kt", "/multi/kt1515/otherPackage.kt");
-    }
-}

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

@@ -193,10 +193,6 @@ public class PropertyGenTest extends CodegenTestCase {
         }
     }
 
-    public void testKt1528() {
-        blackBoxMultiFile("regressions/kt1528_1.kt", "regressions/kt1528_3.kt");
-    }
-
     public void testKt2589() {
         loadFile("regressions/kt2589.kt");
         final Class aClass = generateClass("Foo");