fix passes/failure color

NEWS.rst

@@ -2,6 +2,11 @@
 History
 =======
 
+7.0.2
+-----
+
+Fix colors of passing/failures in run_tests.
+
 7.0.1
 -----
 

run_tests

@@ -88,7 +88,7 @@
 
 if [[ $ok -gt 0 ]];
 then
-    echo -e '${GREEN}Passes${RESET}:'
+    echo -e "${GREEN}Passes${RESET}:"
 
     # Highlight the "OK"s in green (32).
     GREP_COLOR='0;32' grep --color=always ' OK' $logfile || true
@@ -96,7 +96,7 @@
 
 if [[ $failed -gt 0 ]];
 then
-    echo -e '${RED}Failures${RESET}:'
+    echo -e "${RED}Failures${RESET}:"
 
     # Highlight the failure matches in red (31).
     GREP_COLOR='0;31' grep --color=always "CRITICAL\|FAIL\(ED\|:\)" $logfile