MDEV-13626: Merge InnoDB test cases from MySQL 5.7

Add missing innodb_gis tests.

mysql-test/suite/innodb_gis/t/update_root.test

@@ -0,0 +1,39 @@
+# WL#6745 InnoDB R-tree support
+# This test case will test R-tree multi level split.
+
+# Not supported in embedded
+--source include/not_embedded.inc
+
+--source include/have_innodb.inc
+--source include/have_debug.inc
+--source include/big_test.inc
+--source include/not_valgrind.inc
+# Create table with R-tree index.
+create table t1 (c1 int, c2 geometry not null, spatial index (c2))engine=innodb;
+
+# Insert enough values to let R-tree split.
+delimiter |;
+create procedure insert_t1(IN total int)
+begin
+	declare i int default 1;
+	while (i <= total) DO
+		insert into t1 values (i, Point(i, i));
+		set i = i + 1;
+	end while;
+end|
+delimiter ;|
+
+# Test level 3 rtree.
+CALL insert_t1(70000);
+
+CALL insert_t1(90);
+CALL insert_t1(90);
+CALL insert_t1(83);
+
+insert into t1 values (0, Point(0.9, 0.9));
+
+# Check table.
+check table t1;
+
+drop procedure insert_t1;
+drop table t1;