[vala/0.40] tests: Add "translated string constant" test to increase coverage

[Rico Tzschichholz <ricotz src gnome org>]

commit 91e2eaf26b42cbba275c3b1b667bdfec89e12d53
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Nov 14 21:31:03 2020 +0100

    tests: Add "translated string constant" test to increase coverage

 tests/Makefile.am            | 1 +
 tests/constants/strings.vala | 5 +++++
 2 files changed, 6 insertions(+)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 0945c7ed4..378768758 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -71,6 +71,7 @@ TESTS = \
        basic-types/bug787152.vala \
        basic-types/bug788775.vala \
        constants/array-type-invalid.test \
+       constants/strings.vala \
        namespace/unique.vala \
        arrays/cast-silent-invalid.test \
        arrays/class-field-length-cname.vala \
diff --git a/tests/constants/strings.vala b/tests/constants/strings.vala
new file mode 100644
index 000000000..d2f7468df
--- /dev/null
+++ b/tests/constants/strings.vala
@@ -0,0 +1,5 @@
+const string FOO = "string constant";
+const string BAR = _("translated string constant");
+
+void main () {
+}