Remove invalid status line tests and replace them with valid status l… #809

Job	Run time
analyze_and_format; Dart 2.19.0; PKG: pkgs/http_client_conformance_tests; `dart analyze --fatal-i...	33s
mono_repo self validate	24s
analyze_and_format; Dart 3.0.0; PKG: pkgs/http; `dart analyze --fatal-infos`	26s
analyze_and_format; Dart dev; PKGS: pkgs/http, pkgs/http_client_conformance_tests; `dart analyze ...	39s
analyze_and_format; Dart dev; PKGS: pkgs/http, pkgs/http_client_conformance_tests; `dart format -...	24s
unit_test; Dart 3.0.0; PKG: pkgs/http; `dart test --platform vm`	1m 2s
unit_test; Dart 3.0.0; PKG: pkgs/http; `dart test --platform chrome`	2m 50s
unit_test; Dart dev; PKG: pkgs/http; `dart run --define=no_default_http_client=true test/no_defau...	26s
unit_test; Dart 3.0.0; PKG: pkgs/http; `dart run --define=no_default_http_client=true test/no_def...	3m 24s
unit_test; Dart dev; PKG: pkgs/http; `dart test --platform vm`	42s
unit_test; Dart dev; PKG: pkgs/http; `dart test --platform chrome`	3m 21s
	14m 11s

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