Script refactoring, parser: wrap statements in script as if they are init blocks of a class

compiler/tests/org/jetbrains/kotlin/parsing/AbstractParsingTest.java

@@ -41,6 +41,12 @@ public abstract class AbstractParsingTest extends ParsingTestCase {
         System.setProperty("idea.platform.prefix", "Idea");
     }
 
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        getProject().registerService(KotlinScriptDefinitionProvider.class);
+    }
+
     @Override
     protected String getTestDataPath() {
         return KotlinTestUtils.getHomeDirectory();