Moved test for online alter in connect to separate test

This was needed as mtr --embedded connect.alter failed as online is
ignored for embedder server.
This fixes a wrong commit 30c965f8664cd0aad44847c0b99b618d385c2ffe

storage/connect/mysql-test/connect/r/alter.result

@@ -272,11 +272,3 @@ line
           2Two
           3Three
 DROP TABLE t1, t2;
-# MDEV-31777 ER_GET_ERRNO upon online alter with concurrent DML on
-# CONNECT table
-CREATE TABLE t (a INT) ENGINE=CONNECT TABLE_TYPE=DOS;
-Warnings:
-Warning	1105	No file name. Table will use t.dos
-ALTER TABLE t FORCE, ALGORITHM=COPY, LOCK=NONE;
-ERROR 0A000: LOCK=NONE is not supported. Reason: CONNECT. Try LOCK=SHARED
-DROP TABLE t;

storage/connect/mysql-test/connect/r/alter_not_embedded.result

@@ -0,0 +1,8 @@
+# MDEV-31777 ER_GET_ERRNO upon online alter with concurrent DML on
+# CONNECT table
+CREATE TABLE t (a INT) ENGINE=CONNECT TABLE_TYPE=DOS;
+Warnings:
+Warning	1105	No file name. Table will use t.dos
+ALTER TABLE t FORCE, ALGORITHM=COPY, LOCK=NONE;
+ERROR 0A000: LOCK=NONE is not supported. Reason: CONNECT. Try LOCK=SHARED
+DROP TABLE t;

storage/connect/mysql-test/connect/t/alter.test

@@ -133,14 +133,6 @@ SELECT * from t2;
 
 DROP TABLE t1, t2;
 
-
---echo # MDEV-31777 ER_GET_ERRNO upon online alter with concurrent DML on
---echo # CONNECT table
-CREATE TABLE t (a INT) ENGINE=CONNECT TABLE_TYPE=DOS;
---error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
-ALTER TABLE t FORCE, ALGORITHM=COPY, LOCK=NONE;
-DROP TABLE t;
-
 #
 # Clean up
 #

storage/connect/mysql-test/connect/t/alter_not_embedded.test

@@ -0,0 +1,9 @@
+# Disable test for embedded as 'online' is ignored
+--source include/not_embedded.inc
+
+--echo # MDEV-31777 ER_GET_ERRNO upon online alter with concurrent DML on
+--echo # CONNECT table
+CREATE TABLE t (a INT) ENGINE=CONNECT TABLE_TYPE=DOS;
+--error ER_ALTER_OPERATION_NOT_SUPPORTED_REASON
+ALTER TABLE t FORCE, ALGORITHM=COPY, LOCK=NONE;
+DROP TABLE t;