test: Skip test scripts that require the relay module

When tor is built without the relay module.

Part of 32123.

src/test/test_key_expiration.sh

@@ -28,6 +28,11 @@ else
   TOR_BINARY="${TESTING_TOR_BINARY}"
 fi
 
+if "$TOR_BINARY" --list-modules | grep -q "relay: no"; then
+  echo "This test requires the relay module. Skipping." >&2
+  exit 77
+fi
+
 if [ $# -ge 1 ]; then
   dflt=0
 else

src/test/test_keygen.sh

@@ -28,7 +28,10 @@ else
   TOR_BINARY="${TESTING_TOR_BINARY}"
 fi
 
-
+if "$TOR_BINARY" --list-modules | grep -q "relay: no"; then
+  echo "This test requires the relay module. Skipping." >&2
+  exit 77
+fi
 
   if [ $# -ge 1 ]; then
       dflt=0

src/test/test_zero_length_keys.sh

@@ -1,6 +1,11 @@
 #!/bin/sh
 # Check that tor regenerates keys when key files are zero-length
 
+if "${builddir:-.}/src/app/tor" --list-modules | grep -q "relay: no"; then
+  echo "This test requires the relay module. Skipping." >&2
+  exit 77
+fi
+
 exitcode=0
 
 "${SHELL:-sh}" "${abs_top_srcdir:-.}/src/test/zero_length_keys.sh" "${builddir:-.}/src/app/tor" -z || exitcode=1