Adapted Bi2Te3 test to change in LO energy parameter determination

The change was introduced in commit 5bf8da4d and this temporarily
broke the result comparisons in the Bi2Te3 test. The Bi2Te3XML test was not affect since it
uses an enpara file.

tests/tests/Bi2Te3/test.run2

@@ -9,7 +9,7 @@ jt::testrun($executable,$workdir);
 #now test output
 $result=jt::test_grepexists("$workdir/out","it=  1  is completed");
 $result+=jt::test_grepnumber("$workdir/out","first approx. to ef",".*: *([^ ]*)",0.188,0.001);
-$result+=jt::test_grepnumber("$workdir/out","total energy=",".*= *([^ ]*)",-190662.65968,0.01);
+$result+=jt::test_grepnumber("$workdir/out","total energy=",".*= *([^ ]*)",-190662.67147,0.01);
 $result+=jt::test_grepnumber("$workdir/out","mm      15    ","mm      15 *([^ ]*)",-0.022,0.01);
 
 jt::stageresult($workdir,$result,"2");