From 28ab68285c5e7611ef0e450b5611e666c3253add Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Fri, 12 May 2017 19:09:27 +0200
Subject: Fix the test merged in the previous commit

---
 plugins/ct.mk     | 3 +++
 test/plugin_ct.mk | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/plugins/ct.mk b/plugins/ct.mk
index 9276daf..ef649e3 100644
--- a/plugins/ct.mk
+++ b/plugins/ct.mk
@@ -41,10 +41,13 @@ CT_RUN = ct_run \
 ifeq ($(CT_SUITES),)
 ct: $(if $(IS_APP),,apps-ct)
 else
+# We do not run tests if we are in an apps/* with no test directory.
+ifneq ($(IS_APP)$(wildcard $(TEST_DIR)),1)
 ct: test-build $(if $(IS_APP),,apps-ct)
 	$(verbose) mkdir -p $(CT_LOGS_DIR)
 	$(gen_verbose) $(CT_RUN) -sname ct_$(PROJECT) -suite $(addsuffix _SUITE,$(CT_SUITES)) $(CT_OPTS)
 endif
+endif
 
 ifneq ($(ALL_APPS_DIRS),)
 define ct_app_target
diff --git a/test/plugin_ct.mk b/test/plugin_ct.mk
index fe054e9..be44287 100644
--- a/test/plugin_ct.mk
+++ b/test/plugin_ct.mk
@@ -76,7 +76,10 @@ ct-apps: build clean
 		"call_my_lib(_) -> 4 = my_lib:random_int()." > $(APP)/test/my_root_SUITE.erl
 
 	$i "Check that Common Test runs tests"
-	$t $(MAKE) -C $(APP) ct $v CT_SUITES=my_root
+	$t $(MAKE) -C $(APP) ct $v
+
+	$i "Check that Common Test runs tests from a specific test suite"
+	$t $(MAKE) -C $(APP) ct CT_SUITES=my_root $v
 
 ct-apps-only: build clean
 
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