fix: suppress git auth prompts in test helpers

cmd/bd/dolt_autostart_lifecycle_integration_test.go

@@ -38,6 +38,9 @@ func TestE2E_AutoStartedRepoLocalServerPersistsAcrossCommands(t *testing.T) {
 		"BEADS_DOLT_SERVER_PORT=",
 		"BEADS_DOLT_PORT=",
 		"BEADS_DOLT_SHARED_SERVER=",
+		"GIT_TERMINAL_PROMPT=0",
+		"SSH_ASKPASS=",
+		"GIT_ASKPASS=",
 	)
 
 	initOut, initErr := runBDExecWithBinary(t, bdBinary, tmpDir, env, "init", "--backend", "dolt", "--prefix", "test", "--quiet")

cmd/bd/test_helpers_test.go

@@ -373,20 +373,31 @@ func openExistingTestDB(t *testing.T, dbPath string) (*dolt.DoltStore, error) {
 func runCommandInDir(dir string, name string, args ...string) error {
 	cmd := exec.Command(name, args...)
 	cmd.Dir = dir
+	cmd.Env = testEnvNoPrompt()
 	return cmd.Run()
 }
 
 // runCommandInDirWithOutput runs a command in the specified directory and returns its output
 func runCommandInDirWithOutput(dir string, name string, args ...string) (string, error) {
 	cmd := exec.Command(name, args...)
 	cmd.Dir = dir
+	cmd.Env = testEnvNoPrompt()
 	output, err := cmd.Output()
 	if err != nil {
 		return "", err
 	}
 	return strings.TrimSpace(string(output)), nil
 }
 
+// testEnvNoPrompt returns the current environment with git auth prompts
+// suppressed. Prevents ksshaskpass/SSH_ASKPASS popups during tests that
+// configure fake git remotes (e.g. github.com/test/repo.git).
+func testEnvNoPrompt() []string {
+	env := os.Environ()
+	env = append(env, "GIT_TERMINAL_PROMPT=0", "SSH_ASKPASS=", "GIT_ASKPASS=")
+	return env
+}
+
 // captureStderr captures stderr output from fn and returns it as a string.
 // Uses stdioMutex to prevent races with concurrent os.Stderr redirection.
 func captureStderr(t *testing.T, fn func()) string {