Fix integration tests (#4964) #792

Job	Run time
Start	7s
Build Piper	1m 30s
Build integration tests	29s
Run integration tests ("(TestCNBIntegrationBindings\|TestCNBIntegrationWrongBuilderProject\|TestCNB...	1m 39s
Run integration tests ("TestCNBIntegrationPreserveFiles\b")	1m 10s
Run integration tests ("TestCNBIntegrationNPMProject")	2m 14s
Run integration tests ("TestCNBIntegrationMultiImage")	2m 20s
Run integration tests ("TestCNBIntegrationNPMCustomBuildpacksBuildpacklessProject")	1m 32s
Run integration tests ("TestCNBIntegrationNPMCustomBuildpacksFullProject")	1m 21s
Run integration tests ("TestCNBIntegrationProjectDescriptor")	1m 13s
Run integration tests ("TestCNBIntegrationPrePostBuildpacks")	1m 32s
Run integration tests ("TestGolangIntegration")	1m 49s
Run integration tests ("TestGradleIntegration")	1m 36s
Run integration tests ("TestMavenIntegration")	1m 41s
Run integration tests ("TestMTAIntegration")	1m 56s
Run integration tests ("TestTmsUploadIntegration")	56s
Run integration tests ("TestTmsExportIntegration")	51s
Run integration tests ("Test(Gauge\|GCS\|GitHub\|GitOps\|Influx\|NPM\|Piper\|Python\|Sonar\|Vault\|Karma)In...	1m 22s
Finish	3s
	25m 21s

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