fix: Fix unit tests

Signed-off-by: Kim Christensen <kimworking@gmail.com>

pkg/cnab/provider/credentials.go

@@ -17,12 +17,10 @@ func (r *Runtime) loadCredentials(ctx context.Context, b cnab.ExtendedBundle, ru
 		return span.Error(err)
 	}
 
-	for _, key := range run.Credentials.Keys() {
-		cred, ok := run.Credentials.GetCredential(key)
-		if !ok {
-			return span.Errorf("credential %s not found", key)
+	for i, cred := range run.Credentials.Credentials {
+		if resolvedValue, ok := resolvedCredentials[cred.Name]; ok {
+			run.Credentials.Credentials[i].ResolvedValue = resolvedValue
 		}
-		cred.ResolvedValue = resolvedCredentials[key]
 	}
 
 	err = run.Credentials.ValidateBundle(b.Credentials, run.Action)

pkg/storage/credentialset.go

@@ -188,7 +188,7 @@ func (s CredentialSet) ValidateBundle(spec map[string]bundle.Credential, action
 
 // Keys returns the names of all the credentials in the set.
 func (s CredentialSet) Keys() []string {
-	keys := make([]string, len(s.Credentials))
+	keys := make([]string, 0, len(s.Credentials))
 	for _, cred := range s.Credentials {
 		keys = append(keys, cred.Name)
 	}