Added a dummy test

Signed-off-by: Hanxi Zhang <hanxizh@amazon.com>

Author: hanxizh9910

tests/unit/dummy.tcl

@@ -0,0 +1,17 @@
+start_server {tags {"dummy"}} {
+    test "dummy-flaky - basic SET and GET" {
+        r SET mykey myvalue
+        assert_equal [r GET mykey] "myvalue"
+    }
+
+    test "dummy-flaky - intentional failure" {
+        r SET mykey myvalue
+        assert_equal [r GET mykey] "wrongvalue"
+    }
+
+    test "dummy-flaky - another passing test" {
+        r SET counter 0
+        r INCR counter
+        assert_equal [r GET counter] "1"
+    }
+}