Explicitly turn off colors when greping for commit tag
diff --git a/TestON/drivers/common/cli/onosclidriver.py b/TestON/drivers/common/cli/onosclidriver.py
index 41f1951..c8501cd 100644
--- a/TestON/drivers/common/cli/onosclidriver.py
+++ b/TestON/drivers/common/cli/onosclidriver.py
@@ -387,7 +387,7 @@
             self.handle.sendline("export TERM=xterm-256color")
             self.handle.expect("xterm-256color")
             self.handle.expect("\$")
-            self.handle.sendline("cd " + self.home + "; git log -1 --pretty=fuller | grep -A 5 \"commit\"; cd \.\.")
+            self.handle.sendline("cd " + self.home + "; git log -1 --pretty=fuller | grep -A 5 \"commit\" --color=never; cd \.\.")
             self.handle.expect("cd ..")
             self.handle.expect("\$")
             response=(self.name +": \n"+ str(self.handle.before + self.handle.after))
@@ -410,7 +410,7 @@
             self.handle.sendline("export TERM=xterm-256color")
             self.handle.expect("xterm-256color")
             self.handle.expect("\$")
-            self.handle.sendline("cd " + self.home + "; git log -1 --pretty=fuller | grep -A 5 \"commit\"; cd \.\.")
+            self.handle.sendline("cd " + self.home + "; git log -1 --pretty=fuller | grep -A 5 \"commit\" --color=never; cd \.\.")
             self.handle.expect("cd ..")
             self.handle.expect("\$")
             response=(self.name +": \n"+ str(self.handle.before + self.handle.after))