// Call the ServeHTTP to execute the handler.
		apiRouter.ServeHTTP(rec, req)
		if rec.Code != test.expectedStatus {
			t.Fatalf("Test %d: %s: Expected the response status to be `%d`, but instead found `%d`, Resp: %s", i+1, instanceType, test.expectedStatus, rec.Code, rec.Body)
		}
	}

	// Test cases for signature-V4.
	testCasesV4 := []struct {
		objectName         string
		data               []byte

		}

		resp := &CopyObjectPartResponse{}
		if err = xmlDecoder(rec.Body, resp, rec.Result().ContentLength); err != nil {
			t.Fatalf("Test failed to decode XML response: <ERROR> %v", err)
		}

		parts = append(parts, CompletePart{
			PartNumber: partNumber,
			ETag:       canonicalizeETag(resp.ETag),
		})
	}

	var completeBytes []byte

          "es&3opyt,dlawttim,?uo-rof,?s&iht-skorg,nd&-cimanyd,nyd,uolc,??tsrifyam,ysrab,zmurof,???g&el?n!am?ib???hwsohw?i!.&0pci,1pci,8302,a&minifed,tad-b,?b&altig,uhtig,?czh,d&etpyrcs.tneilc,raobelgaeb,uolcropav,?e&civedniser,don&ppad.sndnyd,repyh,?egipa,l&bbub.ndc,ej,?nilnigol,sufxob,t&i&beulb,snoehtnap,?newtu,ybeeb.saap,?varb,?g&n&alkrad,i&gatsniser.secived,tsoh&-br.etis,ytsoh,???ro??k&coregrof.di,orgn:.&as,ni,p&a,j,?su,u&a,e,??,ramytefasresworb,?lim?mo&c?n??n&aicisum,mtsp:.kcom,,yded,?o&...

0D4A..0D4D    ; valid                                  # 1.1  MALAYALAM VOWEL SIGN O..MALAYALAM SIGN VIRAMA
0D4E          ; valid                                  # 6.0  MALAYALAM LETTER DOT REPH
0D4F          ; valid                  ;      ; NV8    # 9.0  MALAYALAM SIGN PARA
0D50..0D53    ; disallowed                             # NA   <reserved-0D50>..<reserved-0D53>