Only enable TDE_MODE for the tests with global TDE

The TDE_MODE environment variable disables tests we actually want to run
in our Github Actions. This change is also necessary to in a future
commit disable the pg_tde tests in the global TDE mode.

ci_scripts/configure-global-tde.sh

@@ -8,6 +8,7 @@ source $SCRIPT_DIR/env.sh
 cd "$SCRIPT_DIR/.."
 
 source "$SCRIPT_DIR/env.sh"
+export TDE_MODE=1
 export PATH=$INSTALL_DIR/bin:$PATH
 export DATA_DIR=$INSTALL_DIR/data
 export PGDATA="${1:-$DATA_DIR}"

ci_scripts/env.sh

@@ -1,4 +1,3 @@
 #!/bin/bash
 
-export TDE_MODE=1
 export PERCONA_SERVER_VERSION=17.4.1