Added missing pkg/cmd/testdata/output files

Signed-off-by: MrJack <36191829+biagiopietro@users.noreply.github.com>

pkg/cmd/testdata/output/history-with-rollback.json

@@ -0,0 +1 @@
+[{"revision":1,"updated":"1977-09-02T22:04:05Z","status":"superseded","chart":"foo-0.1.0-beta.1","app_version":"1.0","description":"Install complete"},{"revision":2,"updated":"1977-09-02T22:04:05Z","status":"superseded","chart":"foo-0.1.0-beta.1","app_version":"1.0","description":"Upgrade complete"},{"revision":3,"updated":"1977-09-02T22:04:05Z","status":"deployed","chart":"foo-0.1.0-beta.1","app_version":"1.0","rollback_revision":1,"description":"Rollback to 1"}]

pkg/cmd/testdata/output/history-with-rollback.txt

@@ -0,0 +1,4 @@
+REVISION	UPDATED                 	STATUS    	CHART           	APP VERSION	  DESCRIPTION
+1       	Fri Sep  2 22:04:05 1977	superseded	foo-0.1.0-beta.1	1.0        	  Install complete
+2       	Fri Sep  2 22:04:05 1977	superseded	foo-0.1.0-beta.1	1.0        	  Upgrade complete
+3       	Fri Sep  2 22:04:05 1977	deployed  	foo-0.1.0-beta.1	1.0        	  Rollback to 1

pkg/cmd/testdata/output/history-with-rollback.yaml

@@ -0,0 +1,19 @@
+- app_version: "1.0"
+  chart: foo-0.1.0-beta.1
+  description: Install complete
+  revision: 1
+  status: superseded
+  updated: "1977-09-02T22:04:05Z"
+- app_version: "1.0"
+  chart: foo-0.1.0-beta.1
+  description: Upgrade complete
+  revision: 2
+  status: superseded
+  updated: "1977-09-02T22:04:05Z"
+- app_version: "1.0"
+  chart: foo-0.1.0-beta.1
+  description: Rollback to 1
+  revision: 3
+  rollback_revision: 1
+  status: deployed
+  updated: "1977-09-02T22:04:05Z"