test/xfreerdp: skip --help failure cases

test/t/test_xfreerdp.py

@@ -5,10 +5,20 @@
 
 class TestXfreerdp:
     def _help(self, bash):
-        return assert_bash_exec(bash, "xfreerdp --help || :", want_output=True)
+        return assert_bash_exec(
+            bash, "xfreerdp --help 2>&1 || :", want_output=True
+        )
 
     @pytest.fixture(scope="class")
-    def slash_syntax(self, bash):
+    def help_success(self, bash):
+        output = self._help(bash)
+        # Example from our CentOS 7 container
+        # [04:51:31:663] [238:238] [ERROR][com.freerdp.client.x11] - Failed to get pixmap info
+        if not output or "ERROR" in output.strip().splitlines()[0]:
+            pytest.skip("--help errored")
+
+    @pytest.fixture(scope="class")
+    def slash_syntax(self, bash, help_success):
         if "/help" not in self._help(bash):
             pytest.skip("Not slash syntax")
 
@@ -18,31 +28,31 @@ def dash_syntax(self, bash):
             pytest.skip("Not dash syntax")
 
     @pytest.mark.complete("xfreerdp /", require_cmd=True)
-    def test_1(self, bash, completion, slash_syntax):
+    def test_1(self, bash, completion, help_success, slash_syntax):
         assert completion
 
     @pytest.mark.complete("xfreerdp -", require_cmd=True)
-    def test_2(self, completion):
+    def test_2(self, completion, help_success):
         assert completion
 
     @pytest.mark.complete("xfreerdp +", require_cmd=True)
-    def test_3(self, bash, completion, slash_syntax):
+    def test_3(self, bash, completion, help_success, slash_syntax):
         assert completion
 
     @pytest.mark.complete(
         "xfreerdp /kbd:",
         require_cmd=True,
         skipif='test -z "$(xfreerdp /kbd-list 2>/dev/null)"',
     )
-    def test_4(self, bash, completion, slash_syntax):
+    def test_4(self, bash, completion, help_success, slash_syntax):
         assert completion
 
     @pytest.mark.complete("xfreerdp /help ", require_cmd=True)
-    def test_5(self, completion):
+    def test_5(self, completion, help_success):
         assert not completion
 
     @pytest.mark.complete("xfreerdp -k ", require_cmd=True)
-    def test_6(self, bash, completion, dash_syntax):
+    def test_6(self, bash, completion, help_success, dash_syntax):
         assert completion
 
     @pytest.mark.complete("xfreerdp --help ", require_cmd=True)