Disable only tasty_printing

Author: odersky

test/dotc/tests.scala

@@ -199,7 +199,7 @@ class tests extends CompilerTest {
 
   @Test def dotc_parsing = compileDir(dotcDir, "parsing") // twice omitted to make tests run faster
 
-//  @Test def dotc_printing = compileDir(dotcDir, "printing") // twice omitted to make tests run faster
+  @Test def dotc_printing = compileDir(dotcDir, "printing") // twice omitted to make tests run faster
 
   @Test def dotc_reporting = compileDir(dotcDir, "reporting") // twice omitted to make tests run faster