Fix test failure

git/git_test.go

@@ -35,14 +35,15 @@ func TestGitHead(t *testing.T) {
 }
 
 func TestGitLog(t *testing.T) {
-	logs, _ := Log("master", "HEAD")
-	assert.T(t, len(logs) >= 0)
+	log, err := Log("e357a98a1a580b09d4f1d9bf613a6a51e131ef6e", "49e984e2fe86f68c386aeb133b390d39e4264ec1")
+	assert.Equal(t, nil, err)
+	assert.NotEqual(t, "", log)
 }
 
 func TestGitRef(t *testing.T) {
-	gitRef, err := Ref("master")
+	gitRef, err := Ref("1c1077c052d32a83aa13a8afaa4a9630d2f28ef6")
 	assert.Equal(t, nil, err)
-	assert.NotEqual(t, "", gitRef)
+	assert.Equal(t, "1c1077c052d32a83aa13a8afaa4a9630d2f28ef6", gitRef)
 }
 
 func TestGitRefList(t *testing.T) {