diff -Naur old/t/linux_helpers.t new/t/linux_helpers.t
--- old/t/linux_helpers.t	2012-12-19 04:04:14.000000000 +1100
+++ new/t/linux_helpers.t	2013-07-03 22:13:29.638284551 +1000
@@ -80,11 +80,17 @@
 			"detect_dmesg() against $virt test data") or diag explain $got;
 
 		$got = eval { $d->detect_dmidecode() } || [];
-		cmp_deeply(
-			$got,
-			$expected_dmidecode{$virt},
-			"detect_dmidecode() against $virt test data") or diag explain $got;
-
+		SKIP: {
+			if (($@) && ($@ =~ /^Cannot run dmidecode detection without Parse::DMIDecode/)) {
+				my $exception = $@;
+				eval { require Parse::DMIDecode; };
+				skip("Parse::DMIDecode has not been installed:$exception", 1);
+			}
+			cmp_deeply(
+				$got,
+				$expected_dmidecode{$virt},
+				"detect_dmidecode() against $virt test data") or diag explain $got;
+		}
 		$got = eval { $d->detect_modules() } || [];
 		cmp_deeply(
 			$got,