[m-rev.] [Testing]: Don't bootcheck in the java grade.

[Peter Wang]

Our virtual server has 2G RAM which is (probably) insufficient to
compile the .java files to .class files in the compiler directory.

conf.i686:
    Install Mercury libraries in the java grade.

    Don't try to bootcheck in the java grade.

diff --git a/conf.i686 b/conf.i686
index 8149bfe..5f14483 100644
--- a/conf.i686
+++ b/conf.i686
@@ -1,8 +1,8 @@
 # Specific configuration for a test platform.
 
 CONFIGURE_OPTS="--build=i686-linux-gnu --host=i686-linux-gnu"
-INSTALL_LIBGRADES=
-TEST_GRADES="hlc.par.gc csharp java"
+INSTALL_LIBGRADES="java"
+TEST_GRADES="hlc.par.gc csharp"
 
 pre_bootcheck() {
     case "$GRADE" in
-- 
2.37.1