test: correct test names

tests/odb/loose.c

@@ -228,7 +228,7 @@ void test_odb_loose__permissions_standard(void)
 	test_write_object_permission(0, 0, GIT_OBJECT_DIR_MODE, GIT_OBJECT_FILE_MODE);
 }
 
-void test_odb_loose_permissions_readonly(void)
+void test_odb_loose__permissions_readonly(void)
 {
 	test_write_object_permission(0777, 0444, 0777, 0444);
 }

tests/refs/branches/name.c

@@ -51,7 +51,7 @@ static int name_is_valid(const char *name)
 	return valid;
 }
 
-void test_refs_branches_is_name_valid(void)
+void test_refs_branches_name__is_name_valid(void)
 {
 	cl_assert_equal_i(true, name_is_valid("master"));
 	cl_assert_equal_i(true, name_is_valid("test/master"));

tests/refs/tags/name.c

@@ -7,7 +7,7 @@ static int name_is_valid(const char *name)
 	return valid;
 }
 
-void test_refs_tags_is_name_valid(void)
+void test_refs_tags_name__is_name_valid(void)
 {
 	cl_assert_equal_i(true, name_is_valid("sometag"));
 	cl_assert_equal_i(true, name_is_valid("test/sometag"));