Fix test of "list all" to verify that it reports _all_ versions of a release

If a release has two versions (v1, superseded) and (v2, deployed), then "list
all" should report both. Previously, the test passed even though "list all" did
not report (v1, superseded).

Signed-off-by: Daniel Lipovetsky <dlipovetsky@d2iq.com>

cmd/helm/testdata/output/list-all.txt

@@ -5,5 +5,6 @@ groot      	default  	1       	2016-01-16 00:00:01 +0000 UTC	uninstalled    	chi
 hummingbird	default  	1       	2016-01-16 00:00:03 +0000 UTC	deployed       	chickadee-1.0.0	0.0.1      
 iguana     	default  	2       	2016-01-16 00:00:04 +0000 UTC	deployed       	chickadee-1.0.0	0.0.1      
 rocket     	default  	1       	2016-01-16 00:00:02 +0000 UTC	failed         	chickadee-1.0.0	0.0.1      
+starlord   	default  	1       	2016-01-16 00:00:01 +0000 UTC	superseded     	chickadee-1.0.0	0.0.1      
 starlord   	default  	2       	2016-01-16 00:00:01 +0000 UTC	deployed       	chickadee-1.0.0	0.0.1      
 thanos     	default  	1       	2016-01-16 00:00:01 +0000 UTC	pending-install	chickadee-1.0.0	0.0.1