integration test: fail service test early if can't deploy example svc

[medyagh]

also adding memory limit to tests that dont have memory limit

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: medyagh, tstromberg

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[sharifelgamal]

/ok-to-test

[minikube-pr-bot]

kvm2 Driver
Times for minikube: 61.3s 54.6s 58.9s
Average time for minikube: 58.3s

Times for Minikube (PR 9755): 60.2s 57.8s 56.6s
Average time for Minikube (PR 9755): 58.2s

Averages Time Per Log

+--------------------------------+----------+--------------------+
|              LOG               | MINIKUBE | MINIKUBE (PR 9755) |
+--------------------------------+----------+--------------------+
| * minikube v1.15.1 on Debian   | 0.1s     | 0.0s               |
|                           9.11 |          |                    |
| * Using the kvm2 driver based  | 0.0s     | 0.0s               |
| on user configuration          |          |                    |
| * Starting control plane node  | 0.0s     | 0.0s               |
| minikube in cluster minikube   |          |                    |
| * Creating kvm2 VM (CPUs=2,    | 34.4s    | 32.8s              |
| Memory=3700MB, Disk=20000MB)   |          |                    |
| ...                            |          |                    |
| * Preparing Kubernetes v1.19.4 | 22.1s    | 23.4s              |
| on Docker 19.03.13 ...         |          |                    |
| * Verifying Kubernetes         | 1.6s     | 1.5s               |
| components...                  |          |                    |
| * Enabled addons:              | 0.1s     | 0.4s               |
| storage-provisioner,           |          |                    |
| default-storageclass           |          |                    |
|                                | 0.0s     | 0.0s               |
|   - Want kubectl v1.19.4? Try  |          |                    |
| 'minikube kubectl -- get pods  |          |                    |
| -A'                            |          |                    |
| * Done! kubectl is now         |          |                    |
| configured to use "minikube"   |          |                    |
| cluster and "default"          |          |                    |
| namespace by default           |          |                    |
+--------------------------------+----------+--------------------+

docker Driver
Times for minikube: 28.3s 29.7s 29.5s
Average time for minikube: 29.1s

Times for Minikube (PR 9755): 29.1s 29.5s 29.2s
Average time for Minikube (PR 9755): 29.3s

Averages Time Per Log

+--------------------------------+----------+--------------------+
|              LOG               | MINIKUBE | MINIKUBE (PR 9755) |
+--------------------------------+----------+--------------------+
| * minikube v1.15.1 on Debian   | 0.2s     | 0.2s               |
|                           9.11 |          |                    |
| * Using the docker driver      | 0.1s     | 0.1s               |
| based on user configuration    |          |                    |
| * Starting control plane node  | 0.1s     | 0.1s               |
| minikube in cluster minikube   |          |                    |
| * Creating docker container    | 9.0s     | 9.0s               |
| (CPUs=2, Memory=3700MB) ...    |          |                    |
| * Preparing Kubernetes v1.19.4 | 18.5s    | 18.7s              |
| on Docker 19.03.13 ...         |          |                    |
| * Verifying Kubernetes         | 1.1s     | 1.2s               |
| components...                  |          |                    |
| * Enabled addons:              | 0.1s     | 0.1s               |
| storage-provisioner,           |          |                    |
| default-storageclass           |          |                    |
|                                | 0.0s     | 0.0s               |
|   - Want kubectl v1.19.4? Try  |          |                    |
| 'minikube kubectl -- get pods  |          |                    |
| -A'                            |          |                    |
| * Done! kubectl is now         |          |                    |
| configured to use "minikube"   |          |                    |
| cluster and "default"          |          |                    |
| namespace by default           |          |                    |
+--------------------------------+----------+--------------------+