Add the "nist" suite to the "test-bt" target,

to be run only if it is available on the machine.

Makefile.am

@@ -159,6 +159,14 @@ test-bt:
 	@PERL@ ./mysql-test-run.pl --force --comment=funcs2 --suite=funcs_2
 	-cd mysql-test ; MTR_BUILD_THREAD=auto \
 	@PERL@ ./mysql-test-run.pl --force --comment=rowlock --suite=row_lock
+	-if [ -d mysql-test/suite/nist ] ; then \
+	  cd mysql-test ; MTR_BUILD_THREAD=auto \
+	  @PERL@ ./mysql-test-run.pl --comment=NIST+normal --force --suite=nist ; \
+	fi
+	-if [ -d mysql-test/suite/nist ] ; then \
+	  cd mysql-test ; MTR_BUILD_THREAD=auto \
+	  @PERL@ ./mysql-test-run.pl --comment=NIST+ps --force --suite=nist --ps-protocol ; \
+	fi
 
 test-bt-debug:
 	-cd mysql-test ; MTR_BUILD_THREAD=auto \