fix: stream http request instead of consuming all

[adamdecaf]

Issue: #172

[adamdecaf]

@mfdeveloper508 Can you help figure out why some tests are failing?

----------------------------------------------------------------------
FAIL: suite_test.go:249: ServerTest.TestConvertWithValidJsonRequest

suite_test.go:262:
    err := writer.WriteField("format", "json")
... obtained int = 400
... expected int = 200

E1: EOF

 EOF
 

----------------------------------------------------------------------
FAIL: suite_test.go:136: ServerTest.TestJsonRequestPrint

suite_test.go:149:
    ...
... obtained int = 400
... expected int = 200

E1: invalid json file
E2: invalid format: unknown
E1: has an invalid segment (header)
OOPS: 14 passed, 2 FAILED
--- FAIL: Test (0.02s)
FAIL
FAIL	github.com/moov-io/metro2/pkg/server	48.470s
FAIL

[codecov-commenter]

Codecov Report

Merging #174 (dced7ce) into master (19dff26) will decrease coverage by 0.02%.
Report is 4 commits behind head on master.
The diff coverage is 79.16%.

❗ Current head dced7ce differs from pull request most recent head 517d499. Consider uploading reports for the commit 517d499 to get more accurate results

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #174      +/-   ##
==========================================
- Coverage   79.31%   79.29%   -0.02%     
==========================================
  Files          16       16              
  Lines        2258     2280      +22     
==========================================
+ Hits         1791     1808      +17     
- Misses        283      287       +4     
- Partials      184      185       +1