VRF-881: upgrading ctf library

integration-tests/go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/slack-go/slack v0.12.2
 	github.com/smartcontractkit/chainlink-automation v1.0.2-0.20240118014648-1ab6a88c9429
 	github.com/smartcontractkit/chainlink-common v0.1.7-0.20240213113935-001c2f4befd4
-	github.com/smartcontractkit/chainlink-testing-framework v1.23.2
+	github.com/smartcontractkit/chainlink-testing-framework v1.23.4
 	github.com/smartcontractkit/chainlink-vrf v0.0.0-20231120191722-fef03814f868
 	github.com/smartcontractkit/chainlink/v2 v2.0.0-00010101000000-000000000000
 	github.com/smartcontractkit/libocr v0.0.0-20240112202000-6359502d2ff1

integration-tests/go.sum

@@ -1471,8 +1471,8 @@ github.com/segmentio/ksuid v1.0.4/go.mod h1:/XUiZBD3kVx5SmUOl55voK5yeAbBNNIed+2O
 github.com/sercand/kuberesolver/v5 v5.1.1 h1:CYH+d67G0sGBj7q5wLK61yzqJJ8gLLC8aeprPTHb6yY=
 github.com/sercand/kuberesolver/v5 v5.1.1/go.mod h1:Fs1KbKhVRnB2aDWN12NjKCB+RgYMWZJ294T3BtmVCpQ=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
-github.com/sergi/go-diff v1.2.0 h1:XU+rvMAioB0UC3q1MFrIQy4Vo5/4VsRDQQXHsEya6xQ=
-github.com/sergi/go-diff v1.2.0/go.mod h1:STckp+ISIX8hZLjrqAeVduY0gWCT9IjLuqbuNXdaHfM=
+github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
+github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I=
 github.com/sethvargo/go-retry v0.2.4 h1:T+jHEQy/zKJf5s95UkguisicE0zuF9y7+/vgz08Ocec=
 github.com/sethvargo/go-retry v0.2.4/go.mod h1:1afjQuvh7s4gflMObvjLPaWgluLLyhA1wmVZ6KLpICw=
 github.com/shirou/gopsutil v3.21.11+incompatible h1:+1+c1VGhc88SSonWP6foOcLhvnKlUeu/erjjvaPEYiI=
@@ -1513,8 +1513,8 @@ github.com/smartcontractkit/chainlink-solana v1.0.3-0.20240213161921-c4d342b761b
 github.com/smartcontractkit/chainlink-solana v1.0.3-0.20240213161921-c4d342b761b0/go.mod h1:JiykN+8W5TA4UD2ClrzQCVvcH3NcyLEVv7RwY0busrw=
 github.com/smartcontractkit/chainlink-starknet/relayer v0.0.1-beta-test.0.20240213121419-1272736c2ac0 h1:7m9PVtccb8/pvKTXMaGuyceFno1icRyC2SFH7KG7+70=
 github.com/smartcontractkit/chainlink-starknet/relayer v0.0.1-beta-test.0.20240213121419-1272736c2ac0/go.mod h1:SZ899lZYQ0maUulWbZg+SWqabHQ1wTbyk3jT8wJfyo8=
-github.com/smartcontractkit/chainlink-testing-framework v1.23.2 h1:haXPd9Pg++Zs5/QIZnhFd9RElmz/d0+4nNeletUg9ZM=
-github.com/smartcontractkit/chainlink-testing-framework v1.23.2/go.mod h1:StIOdxvwd8AMO6xuBtmD6FQfJXktEn/mJJEr7728BTc=
+github.com/smartcontractkit/chainlink-testing-framework v1.23.4 h1:M92J4C6Fju+KTw4VHI18qHL+LP+xJkv2+Z53yEVwBZA=
+github.com/smartcontractkit/chainlink-testing-framework v1.23.4/go.mod h1:lGaqSnCB36n49fZNdTGXMrxhPu9w5+2n3c9V1Fqz1hM=
 github.com/smartcontractkit/chainlink-vrf v0.0.0-20231120191722-fef03814f868 h1:FFdvEzlYwcuVHkdZ8YnZR/XomeMGbz5E2F2HZI3I3w8=
 github.com/smartcontractkit/chainlink-vrf v0.0.0-20231120191722-fef03814f868/go.mod h1:Kn1Hape05UzFZ7bOUnm3GVsHzP0TNrVmpfXYNHdqGGs=
 github.com/smartcontractkit/go-plugin v0.0.0-20231003134350-e49dad63b306 h1:ko88+ZznniNJZbZPWAvHQU8SwKAdHngdDZ+pvVgB5ss=

integration-tests/testconfig/common/vrf/common.go

@@ -200,8 +200,8 @@ func (c *General) Validate() error {
 	if c.MinimumConfirmations == nil {
 		return errors.New("minimum_confirmations must be set to a non-negative value")
 	}
-	if c.SubscriptionFundingAmountLink == nil || *c.SubscriptionFundingAmountLink == 0 {
-		return errors.New("subscription_funding_amount_link must be set to a positive value")
+	if c.SubscriptionFundingAmountLink == nil || *c.SubscriptionFundingAmountLink < 0 {
+		return errors.New("subscription_funding_amount_link must be set to non-negative value")
 	}
 	if c.NumberOfWords == nil || *c.NumberOfWords == 0 {
 		return errors.New("number_of_words must be set to a positive value")