Fix typos in html5 time-related test output

Author: rubensworks

test-cases/rdfa1.1/html5/0279.ttl

@@ -1,4 +1,4 @@
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
-<<http://rdfa.info/test-suite/test-cases/rdfa1.1/html5/0279.html>> rdf:value "2012-03-18T00:00:00Z"^^xsd:date .
+<http://rdfa.info/test-suite/test-cases/rdfa1.1/html5/0279.html> rdf:value "2012-03-18T00:00:00Z"^^xsd:date .

test-cases/rdfa1.1/html5/0281.ttl

@@ -1,4 +1,4 @@
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
-<<http://rdfa.info/test-suite/test-cases/rdfa1.1/html5/0284.html>> rdf:value "2012"^^xsd:gYear .
+<http://rdfa.info/test-suite/test-cases/rdfa1.1/html5/0281.html> rdf:value "2012"^^xsd:gYear .

test-cases/rdfa1.1/html5/0282.ttl

@@ -1,4 +1,4 @@
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
-<<http://rdfa.info/test-suite/test-cases/rdfa1.1/html5/0282.html>> rdf:value "2012-03"^^xsd:gYearMonth .
+<http://rdfa.info/test-suite/test-cases/rdfa1.1/html5/0282.html> rdf:value "2012-03"^^xsd:gYearMonth .

test-cases/rdfa1.1/html5/0284.ttl

@@ -1,4 +1,4 @@
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
-<<http://rdfa.info/test-suite/test-cases/rdfa1.1/html5/0284.html>> rdf:value " 2012-03-18"^^xsd:dateTime .
+<http://rdfa.info/test-suite/test-cases/rdfa1.1/html5/0284.html> rdf:value " 2012-03-18"^^xsd:dateTime .