// Get rule after removal
        matched = ruleManager.getRule(responseData);
        assertNull(matched); // No matching rule now

        // Add rule4 which matches
        ruleManager.addRule(rule4);
        matched = ruleManager.getRule(responseData);
        assertEquals("rule4", matched.getRuleId());
    }

    /**
     * Test rule replacement scenario
     */

        contains("teamcity.agent.jvm.os.arch", arch.nameOnMac)
    } else {
        contains("teamcity.agent.jvm.os.arch", arch.nameOnLinuxWindows)
    }
}

fun Requirements.requiresEc2Agent() {
    matches("teamcity.agent.name", "^(ec|EC)2-.*$")
}

fun Requirements.requiresNotEc2Agent() {
    doesNotContain("teamcity.agent.name", "ec2")
    // US region agents have name "EC2-XXX"

		return
	}

	// if Content-Length is unknown/missing, throw away
	size := r.ContentLength

	rAuthType := getRequestAuthType(r)
	// For auth type streaming signature, we need to gather a different content length.
	switch rAuthType {
	// Check signature types that must have content length
	case authTypeStreamingSigned, authTypeStreamingSignedTrailer, authTypeStreamingUnsignedTrailer:

				err := hash.ChecksumMismatch{
					Want: opts.WantChecksum.Encoded,
					Got:  checksum.Encoded,
				}
				return oi, err
			}
		} else {
			err := opts.WantChecksum.Matches(checksumCombined, len(parts))
			if err != nil {
				return oi, err
			}
		}
	}

	// Accept encrypted checksum from incoming request.
	if opts.UserDefined[ReplicationSsecChecksumHeader] != "" {