Merge pull request #1711 from Gustav-Simonsson/timestamp_big_int

Add tests for uncle timestamps and refactor timestamp type
(cherry picked from commit abce09954b)

tests/block_test.go

@@ -35,6 +35,13 @@ func TestBcUncleHeaderValidityTests(t *testing.T) {
 	}
 }
 
+func TestBcUncleTests(t *testing.T) {
+	err := RunBlockTest(filepath.Join(blockTestDir, "bcUncleTest.json"), BlockSkipTests)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
 func TestBcInvalidHeaderTests(t *testing.T) {
 	err := RunBlockTest(filepath.Join(blockTestDir, "bcInvalidHeaderTest.json"), BlockSkipTests)
 	if err != nil {