diff --git a/tests/runtime/nlb/nlb_00.noja-test b/tests/runtime/nlb/nlb_00.noja-test
new file mode 100644
index 0000000..44d429b
--- /dev/null
+++ b/tests/runtime/nlb/nlb_00.noja-test
@@ -0,0 +1,13 @@
+@type [runtime]
+
+@bytecode
+	
+	PUSHVAR "int";
+	NLB;
+
+	PUSHVAR "print";
+	CALL 1, 1;
+	POP 1;
+	EXIT;
+
+@output [?int]
\ No newline at end of file
diff --git a/tests/runtime/stp/stp_00.noja-test b/tests/runtime/stp/stp_00.noja-test
new file mode 100644
index 0000000..91a55a9
--- /dev/null
+++ b/tests/runtime/stp/stp_00.noja-test
@@ -0,0 +1,14 @@
+@type [runtime]
+
+@bytecode
+	
+	PUSHVAR "int";
+	PUSHVAR "float";
+	STP;
+
+	PUSHVAR "print";
+	CALL 1, 1;
+	POP 1;
+	EXIT;
+
+@output [int | float]
\ No newline at end of file