Enable Opera testing

samples/tests/samples/samples.status

Index: samples/tests/samples/samples.status
===================================================================
--- samples/tests/samples/samples.status	(revision 10468)
+++ samples/tests/samples/samples.status	(working copy)
@@ -32,6 +32,11 @@
 [ $runtime == safari ]
 promise_based_test: Skip
 
+[ $runtime == opera ]
+# TODO(kasperl): These need to be triaged.
+lib/touch/touch_test: Fail
+swarm/swarm_test: Fail
+
 [ $runtime == vm ]
 dartcombat/dartcombat_test: Skip
 dartcombat_test: Skip
@@ -59,9 +64,6 @@
 lib/touch/touch_test: Fail # Expectation: Solver. Expect.approxEquals(expected:9, actual:8.990625000000001, tolerance:0.0009) fails
 swarm/swarm_test: Skip # Issue 3152: Timeout $.window().get$location().get$protocol is not a function
 
-[ $runtime == opera ]
-*: Skip
-
 [ $compiler == dart2js && $runtime == ie ]
 swarm/swarm_test: Fail # BUG(3304)
 lib/touch/touch_test: Fail # Expectation: Solver. Expect.approxEquals(expected:9, actual:8.990625000000001, tolerance:0.0009) fails