Colorize the name of the test to be run.

Test: Presubmits.
Change-Id: Ie1335f9fb91c199874e37d74d0853e8f441cc294
diff --git a/tests/lib.sh b/tests/lib.sh
index 1478e37..3795dfc 100644
--- a/tests/lib.sh
+++ b/tests/lib.sh
@@ -95,7 +95,7 @@
 
   echo
   echo ----------------------------------------------------------------------------
-  info "Running test case ${FUNCNAME[1]}"
+  info "Running test case \e[96;1m${FUNCNAME[1]}\e[0m"
   cd "$MOCK_TOP"
 
   tar xzf "$WARMED_UP_MOCK_TOP"