Fix failing test (#377)

* Fix failing test

We've changed the output that we get from the server.

I think we probably need to provide some better messaging from the
server than what we get now, perhaps we should look at catching thise
errors, and reporting better.

* Fix test

Author: tooky

cmd/kosli/beginTrail_test.go

@@ -51,7 +51,7 @@ func (suite *BeginTrailCommandTestSuite) TestBeginTrailCmd() {
 			wantError:   true,
 			name:        "beginning a trail with an invalid template fails",
 			cmd:         fmt.Sprintf("begin trail test-123 --flow %s --template-file testdata/invalid_template.yml %s", suite.flowName, suite.defaultKosliArguments),
-			goldenRegex: "Error: template file is invalid. 1 validation error for Template\n.*",
+			goldenRegex: "Error: 1 validation error for Template\n.*",
 		},
 		{
 			name:   "can begin a trail with a valid template",

cmd/kosli/createFlow_test.go

@@ -87,7 +87,7 @@ func (suite *CreateFlowCommandTestSuite) TestCreateFlowCmd() {
 			wantError:   true,
 			name:        "creating a flow with an invalid template fails",
 			cmd:         "create flow newFlowWithTemplate --template-file testdata/invalid_template.yml --description \"my new flow\" " + suite.defaultKosliArguments,
-			goldenRegex: "Error: template file is invalid. 1 validation error for Template\n.*",
+			goldenRegex: "Error: Input payload validation failed.*",
 		},
 		{
 			wantError: true,