Added test cases

[sanketbansal]

Changes proposed in this pull request:

Added test cases for

• Login component.
• Signup component.
• Reset password component.
• Host analytics component.
• Reset password confirm component.
• Verify email component.
• Challenge create component.
• Dashboard-content component.
• Challenge list component.
• Team list component.

• Link to live demo: http://pr-204-evalai.surge.sh

[codecov-io]

Codecov Report

Merging #204 into master will increase coverage by 11.7%. The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #204      +/-   ##
=========================================
+ Coverage    51.7%   63.4%   +11.7%     
=========================================
  Files          66      66              
  Lines        3640    3640              
  Branches      412     412              
=========================================
+ Hits         1882    2308     +426     
+ Misses       1663    1221     -442     
- Partials       95     111      +16

Impacted Files	Coverage Δ
...ponents/privacy-policy/privacy-policy.component.ts	70.83% <0%> (+1.38%)	:arrow_up:
src/app/services/global.service.ts	42.48% <0%> (+4.29%)	:arrow_up:
src/app/services/challenge.service.ts	50.64% <0%> (+4.48%)	:arrow_up:
src/app/services/api.service.ts	74.6% <0%> (+6.34%)	:arrow_up:
...lengelist/challengecard/challengecard.component.ts	81.66% <0%> (+6.66%)	:arrow_up:
src/app/services/endpoints.service.ts	82.22% <0%> (+16.66%)	:arrow_up:
...onents/auth/verify-email/verify-email.component.ts	86.95% <0%> (+17.39%)	:arrow_up:
src/app/services/auth.service.ts	68.22% <0%> (+27.1%)	:arrow_up:
src/app/components/auth/login/login.component.ts	92.59% <0%> (+40.74%)	:arrow_up:
...nts/challenge-create/challenge-create.component.ts	98.24% <0%> (+42.1%)	:arrow_up:
... and 7 more

Impacted Files	Coverage Δ
...ponents/privacy-policy/privacy-policy.component.ts	70.83% <0%> (+1.38%)	:arrow_up:
src/app/services/global.service.ts	42.48% <0%> (+4.29%)	:arrow_up:
src/app/services/challenge.service.ts	50.64% <0%> (+4.48%)	:arrow_up:
src/app/services/api.service.ts	74.6% <0%> (+6.34%)	:arrow_up:
...lengelist/challengecard/challengecard.component.ts	81.66% <0%> (+6.66%)	:arrow_up:
src/app/services/endpoints.service.ts	82.22% <0%> (+16.66%)	:arrow_up:
...onents/auth/verify-email/verify-email.component.ts	86.95% <0%> (+17.39%)	:arrow_up:
src/app/services/auth.service.ts	68.22% <0%> (+27.1%)	:arrow_up:
src/app/components/auth/login/login.component.ts	92.59% <0%> (+40.74%)	:arrow_up:
...nts/challenge-create/challenge-create.component.ts	98.24% <0%> (+42.1%)	:arrow_up:
... and 7 more

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