test makepkg-template: Add invalid-template-line-unknown-marker

Signed-off-by: Florian Pritz <bluewind@xinu.at>

test/scripts/makepkg-template-tests/invalid-template-line-unknown-marker/PKGBUILD

@@ -0,0 +1,9 @@
+pkgname=foo
+pkgver=1
+
+build() {
+# template boom; name=test
+perl Makefile.pl
+make
+# template end;
+}

test/scripts/makepkg-template-tests/invalid-template-line-unknown-marker/testcase-config

@@ -0,0 +1,11 @@
+arguments+=()
+expected_exitcode=255
+
+# set IFS="" if you want trailing new lines, otherwise remove it
+IFS="" read -d '' expected_output <<'EOF'
+Unknown template marker 'boom'
+./makepkg-template-tests/invalid-template-line-unknown-marker/PKGBUILD:5: # template boom; name=test
+EOF
+
+IFS="" read -d '' expected_result <<'EOF'
+EOF