fix test failures: update passphrases to meet new validation requirements

Author: Deepam02

internal/validation/HandleKeyGeneration_test.go

@@ -185,7 +185,7 @@ func TestHandleKeyGeneration(t *testing.T) {
 			// Create a mock command for testing
 			cmd := &cobra.Command{}
 			cmd.Flags().Bool("passphrase", params.UsePassphrase, "")
-			cmd.Flags().String("passphrase-value", "testpassword123", "")
+			cmd.Flags().String("passphrase-value", "UnpredictableT3st!@#$", "")
 			cmd.Flags().Bool("interactive", false, "")
 
 			result, err := HandleKeyGeneration(cmd, vaultPath, params)
@@ -337,7 +337,7 @@ func TestGenerateNewKey(t *testing.T) {
 			setupCmd: func() *cobra.Command {
 				cmd := &cobra.Command{}
 				cmd.Flags().Bool("passphrase", true, "")
-				cmd.Flags().String("passphrase-value", "testpassword123", "")
+				cmd.Flags().String("passphrase-value", "UnpredictableT3st!@#$", "")
 				cmd.Flags().Bool("interactive", false, "")
 				return cmd
 			},
@@ -750,7 +750,7 @@ func TestHandleKeyGenerationIntegration(t *testing.T) {
 
 		cmd := &cobra.Command{}
 		cmd.Flags().Bool("passphrase", true, "")
-		cmd.Flags().String("passphrase-value", "integration-test-pass-123", "")
+		cmd.Flags().String("passphrase-value", "UnpredictableT3st!@#$", "")
 		cmd.Flags().Bool("interactive", false, "")
 
 		result, err := HandleKeyGeneration(cmd, vaultPath, params)