test(app): drop completion and table cases other tests already cover

Signed-off-by: bircni <bircni@icloud.com>

internal/app/config_test.go

@@ -282,9 +282,7 @@ func TestPlatformCommandsComplete(t *testing.T) {
 		{[]string{"alias", "delete", ""}, []string{"il\tissue list"}},
 		{[]string{"config", "get", "hyp"}, []string{"hyperlinks"}},
 		{[]string{"config", "set", "hyperlinks", ""}, []string{"auto", "always", "never"}},
-		{[]string{"config", "set", "markdown", ""}, []string{"auto", "raw"}},
 		{[]string{"auth", "switch", ""}, []string{"alice\t" + server.URL + " (active)", "bob\t" + server.URL}},
-		{[]string{"auth", "logout", "b"}, []string{"bob\t" + server.URL}},
 		{[]string{"auth", "login", "--credential-store", ""}, []string{"keyring", "file"}},
 		{[]string{"auth", "login", "--scopes", "read:repository,write:re"}, []string{"read:repository,write:repository"}},
 		{[]string{"notification", "list", "--type", ""}, []string{"issue", "pull", "commit", "repository"}},