Add injection tests

[Delt06]

Closes #77

[codecov-commenter]

Codecov Report

Merging #79 (f7130de) into master (f84d63c) will increase coverage by 4.27%.
The diff coverage is 28.57%.

@@            Coverage Diff             @@
##           master      #79      +/-   ##
==========================================
+ Coverage   73.45%   77.73%   +4.27%     
==========================================
  Files          41       41              
  Lines        1507     1509       +2     
==========================================
+ Hits         1107     1173      +66     
+ Misses        400      336      -64     

Impacted Files	Coverage Δ
...Tation/DIFramework/Runtime/Resolution/Injection.cs	97.05% <28.57%> (+38.13%)	⬆️

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