Reload rendrer when application changes (for tests)

compiler/tests/org/jetbrains/jet/JetTestUtils.java

@@ -233,7 +233,7 @@ public class JetTestUtils {
         @Override
         public void report(@NotNull Diagnostic diagnostic) {
             if (diagnostic.getSeverity() == Severity.ERROR) {
-                throw new IllegalStateException(DefaultErrorMessages.RENDERER.render(diagnostic));
+                throw new IllegalStateException(DefaultErrorMessages.render(diagnostic));
             }
         }
     };

compiler/tests/org/jetbrains/jet/types/TypeSubstitutorTest.java

@@ -148,7 +148,7 @@ public class TypeSubstitutorTest extends KotlinTestWithEnvironment {
                     new Function<Diagnostic, String>() {
                         @Override
                         public String fun(Diagnostic diagnostic) {
-                            return DefaultErrorMessages.RENDERER.render(diagnostic);
+                            return DefaultErrorMessages.render(diagnostic);
                         }
                     },
                     "\n"));