[Test] Collect coverage in all functional tests

test/functional/configs/dkim.conf

@@ -78,3 +78,4 @@ EOD;
   trusted_only = false;
   skip_multi = false;
 }
+lua = "${TESTDIR}/lua/test_coverage.lua";

test/functional/configs/fuzzy.conf

@@ -1,6 +1,7 @@
 redis {
   servers = "${REDIS_ADDR}:${REDIS_PORT}";
 }
+lua = "${TESTDIR}/lua/test_coverage.lua";
 options = {
 	filters = "fuzzy_check";
 	pidfile = "${TMPDIR}/rspamd.pid";

test/functional/configs/milter.conf

@@ -50,6 +50,7 @@ worker {
 modules {
     path = "${TESTDIR}/../../src/plugins/lua/"
 }
+lua = "${TESTDIR}/lua/test_coverage.lua";
 lua = "${INSTALLROOT}/share/rspamd/rules/rspamd.lua"
 lua = "${TESTDIR}/lua/params.lua"
 milter_headers {

test/functional/configs/password.conf

@@ -42,3 +42,4 @@ worker {
 	enable_password = ${ENABLE_PASSWORD};
 	stats_path = "${TMPDIR}/stats.ucl";
 }
+lua = "${TESTDIR}/lua/test_coverage.lua";

test/functional/configs/proxy.conf

@@ -20,3 +20,4 @@ worker "rspamd_proxy" {
     }
     count = 1;
 }
+lua = "${TESTDIR}/lua/test_coverage.lua";

test/functional/configs/spamassassin.conf

@@ -1,4 +1,5 @@
 spamassassin {
 	rules = "${TESTDIR}/configs/spamassassin.rules"
 }
+lua = "${TESTDIR}/lua/test_coverage.lua";
 lua = "${TESTDIR}/lua/simple.lua"

test/functional/configs/stats.conf

@@ -72,5 +72,6 @@ classifier {
 		${REDIS_SERVER}
 	}
 }
+lua = "${TESTDIR}/lua/test_coverage.lua";
 
 settings {}