erlang: remove quiet mode from grep in test version checks

Remove the quiet mode flag (-q) from grep in version check commands
to ensure that their stdout output is visible.

Signed-off-by: Josef Schlehofer <pepe.schlehofer@gmail.com>

lang/erlang/test-version.sh

@@ -6,6 +6,6 @@ erlang)
 	timeout 60s erl -noshell \
 		-eval "V = erlang:system_info(otp_release), io:format(\"OTP ~s~n\", [V])" \
 		-s init stop 2>&1 | \
-		grep -qF "OTP ${otp_major}"
+		grep -F "OTP ${otp_major}"
 	;;
 esac

lang/erlang/test.sh

@@ -5,7 +5,7 @@ erlang)
 	# Check erl binary is present and prints the right OTP version
 	otp_major="${2%%.*}"
 	timeout 60s erl -noshell -eval "V = erlang:system_info(otp_release), io:format(\"OTP ~s~n\", [V])" -s init stop 2>&1 | \
-		grep -qF "OTP ${otp_major}" || {
+		grep -F "OTP ${otp_major}" || {
 		echo "FAIL: erl did not report expected OTP version '$2' (major: $otp_major)"
 		exit 1
 	}