wip: Fix TestFunctional flake on KVM

[priyawadhwa]

closes #8952

[priyawadhwa]

/ok-to-test

[k8s-ci-robot]

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[minikube-pr-bot]

kvm2 Driver
docker Driver

[minikube-pr-bot]

kvm2 Driver
Times for minikube: [64.37866048 61.15707529699999 64.715223037]
Average time for minikube: 63.416986271333336

Times for Minikube (PR 8968): [86.447486518 64.15446874199999 60.639111004]
Average time for Minikube (PR 8968): 70.41368875466667

Averages Time Per Log

+--------------------------------+-----------+--------------------+
|              LOG               | MINIKUBE  | MINIKUBE (PR 8968) |
+--------------------------------+-----------+--------------------+
| * minikube v1.12.2 on Debian   |  0.058853 |           0.059216 |
|                           9.11 |           |                    |
| * Using the kvm2 driver based  |  0.019787 |           0.020919 |
| on existing profile            |           |                    |
| * Starting control plane node  |  0.009731 |           0.004178 |
| minikube in cluster minikube   |           |                    |
| * Creating kvm2 VM (CPUs=2,    | 39.966627 |          40.696650 |
| Memory=3700MB, Disk=20000MB)   |           |                    |
| ...                            |           |                    |
| * Preparing Kubernetes v1.18.3 | 21.661670 |          27.849251 |
| on Docker 19.03.12 ...         |           |                    |
| * Verifying Kubernetes         |  1.434848 |           1.478620 |
| components...                  |           |                    |
| * Enabled addons:              |  0.181834 |           0.209144 |
| default-storageclass,          |           |                    |
| storage-provisioner            |           |                    |
| * Done! kubectl is now         |  0.079560 |           0.088287 |
| configured to use "minikube"   |           |                    |
|                                |  0.004078 |           0.007424 |
+--------------------------------+-----------+--------------------+

docker Driver
Times for minikube: [29.312538012999998 27.103233682999996 26.046163091000004]
Average time for minikube: 27.487311595666664

Times for Minikube (PR 8968): [26.97660611 26.828299647999998 26.542273586]
Average time for Minikube (PR 8968): 26.782393114666665

Averages Time Per Log

+--------------------------------+-----------+--------------------+
|              LOG               | MINIKUBE  | MINIKUBE (PR 8968) |
+--------------------------------+-----------+--------------------+
| * minikube v1.12.2 on Debian   |  0.066976 |           0.073657 |
|                           9.11 |           |                    |
| * Using the docker driver      |  0.103284 |           0.098032 |
| based on existing profile      |           |                    |
| * Starting control plane node  |  0.054807 |           0.054514 |
| minikube in cluster minikube   |           |                    |
| * Creating docker container    |  8.481818 |           8.483521 |
| (CPUs=2, Memory=3700MB) ...    |           |                    |
| * Preparing Kubernetes v1.18.3 | 17.848581 |          17.158652 |
| on Docker 19.03.8 ...          |           |                    |
| * Verifying Kubernetes         |  0.827468 |           0.810697 |
| components...                  |           |                    |
| * Enabled addons:              |  0.040209 |           0.032241 |
| default-storageclass,          |           |                    |
| storage-provisioner            |           |                    |
| * Done! kubectl is now         |  0.059360 |           0.064793 |
| configured to use "minikube"   |           |                    |
|                                |  0.004808 |           0.006286 |
+--------------------------------+-----------+--------------------+