test: s/20m/30m/g

Every other test build times out due to the 20 minute test timeout. I
doesn't seem like tests are actually hanging, it's more that 20 minutes
just isn't enough to run the tests any more.

test

@@ -162,7 +162,7 @@ function integration_pass {
 	# expectation could be different
 	USERTIMEOUT=""
 	if [ -z "${TIMEOUT}" ]; then
-		USERTIMEOUT="20m"
+		USERTIMEOUT="30m"
 	else
 		USERTIMEOUT="${TIMEOUT}"
 	fi
@@ -251,7 +251,7 @@ function cov_pass {
 	mkdir -p "$COVERDIR"
 
 	# run code coverage for unit and integration tests
-	GOCOVFLAGS="-covermode=set -coverpkg ${PKGS_COMMA} -v -timeout 20m"
+	GOCOVFLAGS="-covermode=set -coverpkg ${PKGS_COMMA} -v -timeout 30m"
 	# shellcheck disable=SC2206
 	GOCOVFLAGS=($GOCOVFLAGS)
 	failed=""
@@ -309,7 +309,7 @@ function e2e_pass {
 	# expectation could be different
 	USERTIMEOUT=""
 	if [ -z "${TIMEOUT}" ]; then
-		USERTIMEOUT="20m"
+		USERTIMEOUT="30m"
 	else
 		USERTIMEOUT="${TIMEOUT}"
 	fi
@@ -320,9 +320,9 @@ function e2e_pass {
 function integration_e2e_pass {
 	echo "Running integration and e2e tests..."
 
-	go test -timeout 20m -v -cpu "${TEST_CPUS}" "$@" "${REPO_PATH}/tests/e2e" &
+	go test -timeout 30m -v -cpu "${TEST_CPUS}" "$@" "${REPO_PATH}/tests/e2e" &
 	e2epid="$!"
-	go test -timeout 20m -v -cpu "${TEST_CPUS}" "$@" "${REPO_PATH}/integration" &
+	go test -timeout 30m -v -cpu "${TEST_CPUS}" "$@" "${REPO_PATH}/integration" &
 	intpid="$!"
 	wait $e2epid
 	wait $intpid
@@ -330,9 +330,9 @@ function integration_e2e_pass {
 }
 
 function grpcproxy_pass {
-	go test -timeout 20m -v ${RACE} -tags cluster_proxy -cpu "${TEST_CPUS}" "$@" "${REPO_PATH}/integration"
-	go test -timeout 20m -v ${RACE} -tags cluster_proxy -cpu "${TEST_CPUS}" "$@" "${REPO_PATH}/clientv3/integration"
-	go test -timeout 20m -v -tags cluster_proxy "$@" "${REPO_PATH}/tests/e2e"
+	go test -timeout 30m -v ${RACE} -tags cluster_proxy -cpu "${TEST_CPUS}" "$@" "${REPO_PATH}/integration"
+	go test -timeout 30m -v ${RACE} -tags cluster_proxy -cpu "${TEST_CPUS}" "$@" "${REPO_PATH}/clientv3/integration"
+	go test -timeout 30m -v -tags cluster_proxy "$@" "${REPO_PATH}/tests/e2e"
 }
 
 function release_pass {