Capture time to load users/ page 40 times using Puppeteer (with caching)

[AllisonBC]

Closes #301

What it does: Uses Puppeteer to load users/ page, timing the duration and taking a screenshot for each request.

To Test:

1. Checkout this PR
2. Open /test/ui in the integrated terminal
3. Run node load40-cache-on.js
4. Results:
   • You should see console log with times and screenshot creation confirmations: PS C:\Users\allyb\AndroidStudioProjects\ad440-ds-practicum\ad440-winter2021-thursday-repo\test\ui> node load40-cache-on.js

     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #0,
     Time to load page: 0.071803,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14912.085675.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #1,
     Time to load page: 0.118419,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14912.406923.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #2,
     Time to load page: 0.148331,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14912.741365.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #3,
     Time to load page: 0.176021,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14913.059221.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #4,
     Time to load page: 0.202767,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14913.373479.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #5,
     Time to load page: 0.229653,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14913.711231.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #6,
     Time to load page: 0.257742,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14914.059247.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #7,
     Time to load page: 0.285181,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14914.374034.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #8,
     Time to load page: 0.313073,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14914.690814.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #9,
     Time to load page: 0.340975,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14915.008987.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #10,
     Time to load page: 0.366574,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14915.321106.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #11,
     Time to load page: 0.395843,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14915.640799.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #12,
     Time to load page: 0.422928,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14915.954368.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #13,
     Time to load page: 0.450579,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14916.28428.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #14,
     Time to load page: 0.478141,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14916.592429.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #15,
     Time to load page: 0.506213,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14916.913476.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #16,
     Time to load page: 0.533688,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14917.222729.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #17,
     Time to load page: 0.617864,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14917.554009.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #18,
     Time to load page: 0.688697,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14917.876165.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #19,
     Time to load page: 0.730482,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14918.182548.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #20,
     Time to load page: 0.771454,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14918.480242.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #21,
     Time to load page: 0.812978,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14918.779071.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #22,
     Time to load page: 0.856697,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14919.077211.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #23,
     Time to load page: 0.900054,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14919.381065.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #24,
     Time to load page: 0.95061,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14919.68505.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #25,
     Time to load page: 0.993158,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14919.993908.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #26,
     Time to load page: 1.034062,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14920.305239.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #27,
     Time to load page: 1.076081,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14920.627303.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #28,
     Time to load page: 1.118026,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14920.926035.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #29,
     Time to load page: 1.160103,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14921.231788.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #30,
     Time to load page: 1.212725,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14921.526784.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #31,
     Time to load page: 1.254808,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14921.826727.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #32,
     Time to load page: 1.295336,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14922.142543.png
     https://nsc-thursday-react-app.azureedge.net/users-  
     Load time test: #33,
     Time to load page: 1.341216,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14922.469802.png
     https://nsc-thursday-react-app.azureedge.net/users-
     Load time test: #34,
     Time to load page: 1.384407,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14922.774785.png
     https://nsc-thursday-react-app.azureedge.net/users-
     Load time test: #35,
     Time to load page: 1.426253,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14923.079511.png
     https://nsc-thursday-react-app.azureedge.net/users-
     Load time test: #36,
     Time to load page: 1.479234,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14923.378041.png
     https://nsc-thursday-react-app.azureedge.net/users-
     Load time test: #37,
     Time to load page: 1.521505,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14923.677642.png
     https://nsc-thursday-react-app.azureedge.net/users-
     Load time test: #38,
     Time to load page: 1.562225,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14923.992247.png
     https://nsc-thursday-react-app.azureedge.net/users-
     Load time test: #39,
     Time to load page: 1.60458,
     Screenshot will be stored as: ../results/ui-test-results/users-load40_cache_on_14924.299498.png

• 40 png files should appear in results/ui-test-results/users-load40-cache-on

Time Spent: Date	Activity	Time
3/22	Research Puppeteer	2 hours
3/22	Develop test file	2 hours
3/24	Documentation	30 min