Add rank 0 testing support

Default test range is now rank 0 to 3 instead of 1 to 4

Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>
Change-Id: Ibde66b60b58de9f4a3852a3807c01f8dae61206f
diff --git a/.gitignore b/.gitignore
index dddbcc0..5433993 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,7 +4,7 @@
 __pycache__/
 build/
 debug-build/
-conformance/
+/conformance/
 conformance_build/
 conformance_large_files/
 .cache