TestKongEnterprisePostgres fails if Gateway image version is 3.0.0.0

[jrsmroz]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

When the TestKongEnterprisePostgres is run with Gateway image version 3.0.0.0, the test fails.

Logs shows that the version is not enterprise.

    enterprise_test.go:90: verifying the admin api version is enterprise
    enterprise_test.go:95: admin output: &{Version:3.0.0.0}

	t.Log("verifying the admin api version is enterprise")
	adminOutput := struct {
		Version string `json:"version"`
	}{}
	require.NoError(t, json.Unmarshal(body, &adminOutput))
	t.Logf("admin output: %+v", &adminOutput)
	require.True(t, strings.Contains(adminOutput.Version, "enterprise-edition"))

Expected Behavior

No response

Steps To Reproduce

Change `DefaultEnterpriseImageTag = "3.0.0.0-alpine"` and run `TestKongEnterprisePostgres` test.

Kong Kubernetes Testing Framework Version

No response

Kubernetes version

No response

Anything else?

Need to investigate why bumping kong enterprise image from 2.7.0.0 to 3.0.0.0 breaks KTF.