test(index_test.go): update e2e cases with artifact signature info

Signed-off-by: Massimiliano Giovagnoli <[email protected]>

build/registry/index_test.go

@@ -62,7 +62,7 @@ func Test_upsertIndex(t *testing.T) {
 			upsertIndex(r, tt.ociArtifacts, i)
 
 			if !reflect.DeepEqual(i, expectedIndex) {
-				t.Errorf("index() = %v, want %v", i, expectedIndex)
+				t.Errorf("index() = %#v, want %v", i, expectedIndex)
 			}
 		})
 	}

build/registry/testdata/index2.yaml

@@ -47,3 +47,7 @@
       name: The Falco Authors
   sources:
     - https://github.com/falcosecurity/rules/blob/main/rules/falco_rules.yaml
+  signature:
+    cosign:
+      certificate-oidc-issuer: https://token.actions.githubusercontent.com
+      certificate-identity-regexp: https://github.com/falcosecurity/rules/

build/registry/testdata/index_expected1.yaml

@@ -47,3 +47,7 @@
       name: The Falco Authors
   sources:
     - https://github.com/falcosecurity/rules/blob/main/rules/falco_rules.yaml
+  signature:
+    cosign:
+      certificate-oidc-issuer: https://token.actions.githubusercontent.com
+      certificate-identity-regexp: https://github.com/falcosecurity/rules/

build/registry/testdata/registry.yaml

@@ -11,6 +11,10 @@ rulesfiles:
     keywords:
       - falco
     url: https://github.com/falcosecurity/rules/blob/main/rules/falco_rules.yaml
+    signature:
+      cosign:
+        certificate-oidc-issuer: https://token.actions.githubusercontent.com
+        certificate-identity-regexp: https://github.com/falcosecurity/rules/
   - name: applications
     description: Application rules
     authors: The Falco Authors
@@ -21,3 +25,7 @@ rulesfiles:
     path: rules/application_rules.yaml
     url: https://github.com/falcosecurity/rules/blob/main/rules/application_rules.yaml
     license: apache-2.0
+    signature:
+      cosign:
+        certificate-oidc-issuer: https://token.actions.githubusercontent.com
+        certificate-identity-regexp: https://github.com/falcosecurity/rules/