Fix commit retrieval by tag

modules/git/repo_commit_test.go

@@ -50,7 +50,7 @@ func TestGetTagCommitWithSignature(t *testing.T) {
  assert.NotNil(t, commit)
  assert.NotNil(t, commit.Signature)
  // test that signature is not in message
- assert.Equal(t, "tag", commit.CommitMessage)
+ assert.Equal(t, "signed-commit\n", commit.CommitMessage)
 }
 
 func TestGetCommitWithBadCommitID(t *testing.T) {