chore: coverage++

Moved git worktree test into git public test.  Was no need
to create an internal test suite, as we are testing the public
worktree fn.

internal/git/git_public_test.go

@@ -22,6 +22,7 @@ package git_test
 
 import (
 	"errors"
+	"fmt"
 	"log/slog"
 	"os"
 	"testing"
@@ -111,6 +112,17 @@ func (suite *GitManagerPublicTestSuite) TestWorktreeError() {
 	assert.Error(suite.T(), err)
 }
 
+func (suite *GitManagerPublicTestSuite) TestWorktreeErrorWhenAbsErrors() {
+	originalAbsFn := git.AbsFn
+	git.AbsFn = func(g *git.Git, _ string) (string, error) {
+		return "", fmt.Errorf("failed to get abs path")
+	}
+	defer func() { git.AbsFn = originalAbsFn }()
+
+	err := suite.gm.Worktree(suite.cloneDir, suite.gitVersion, suite.dstDir)
+	assert.Error(suite.T(), err)
+}
+
 func (suite *GitManagerPublicTestSuite) TestUpdateOk() {
 	suite.mockExec.EXPECT().
 		RunCmdInDir("git", []string{"fetch", "--tags", "--force"}, suite.cloneDir).