update hardcoded mainline versions in tests

[#166825928]

Co-authored-by: Daniel Thornton <[email protected]>

Author: Tilly Taylor

fixtures/overrideyml_bp/override.yml

@@ -1,8 +1,8 @@
 nginx:
   dependencies:
   - name: nginx
-    version: 1.15.999
-    uri: https://buildpacks.cloudfoundry.org/dependencies/nginx/nginx-1.15.999-linux-x64.tgz
+    version: 1.17.999
+    uri: https://buildpacks.cloudfoundry.org/dependencies/nginx/nginx-1.17.999-linux-x64.tgz
     file: BUILDPACK_DIR/nginx.tgz
     sha256: 062d906c87839d03b243e2821e10653c89b4c92878bfe2bf995dec231e117bfc
     cf_stacks:

src/nginx/integration/deploy_an_app_test.go

@@ -52,7 +52,7 @@ var _ = Describe("CF Nginx Buildpack", func() {
 		It("Uses latest mainline nginx", func() {
 			PushAppAndConfirm(app)
 
-			Eventually(app.Stdout.String).Should(ContainSubstring(`No nginx version specified - using mainline => 1.15.`))
+			Eventually(app.Stdout.String).Should(ContainSubstring(`No nginx version specified - using mainline => 1.17.`))
 			Eventually(app.Stdout.String).ShouldNot(ContainSubstring(`Requested nginx version:`))
 
 			Expect(app.GetBody("/")).To(ContainSubstring("Exciting Content"))
@@ -68,7 +68,7 @@ var _ = Describe("CF Nginx Buildpack", func() {
 		It("Logs nginx buildpack version", func() {
 			PushAppAndConfirm(app)
 
-			Eventually(app.Stdout.String).Should(ContainSubstring(`Requested nginx version: mainline => 1.15.`))
+			Eventually(app.Stdout.String).Should(ContainSubstring(`Requested nginx version: mainline => 1.17.`))
 
 			Expect(app.GetBody("/")).To(ContainSubstring("Exciting Content"))
 			Eventually(app.Stdout.String).Should(ContainSubstring(`NginxLog "GET / HTTP/1.1" 200`))
@@ -99,7 +99,7 @@ var _ = Describe("CF Nginx Buildpack", func() {
 		It("Logs nginx buildpack versions", func() {
 			Expect(app.Push()).ToNot(Succeed())
 
-			Eventually(app.Stdout.String).Should(ContainSubstring(`Available versions: mainline, stable, 1.15.x, 1.16.x`))
+			Eventually(app.Stdout.String).Should(ContainSubstring(`Available versions: mainline, stable, 1.16.x, 1.17.x`))
 		})
 	})