Add tests and register in CMakeLists

Author: Thirumalai-Shaktivel

integration_tests/CMakeLists.txt

@@ -436,3 +436,4 @@ RUN(NAME bit_operations_i64 LABELS cpython llvm c wasm)
 RUN(NAME test_argv_01      LABELS llvm) # TODO: Test using CPython
 RUN(NAME global_syms_01    LABELS cpython llvm c)
 RUN(NAME global_syms_02    LABELS cpython llvm c)
+RUN(NAME global_syms_03_b  LABELS cpython llvm c)

integration_tests/global_syms_03_a.py

@@ -0,0 +1,7 @@
+from ltypes import i32
+
+l_1: list[str] = ['Monday', 'Tuesday', 'Wednesday']
+
+def populate_lists() -> list[i32]:
+    return [10, -20]
+l_2: list[i32] = populate_lists()

integration_tests/global_syms_03_b.py

@@ -0,0 +1,5 @@
+from global_syms_03_a import l_1, l_2
+
+assert len(l_1) == 3
+assert l_1[1] == "Tuesday"
+assert l_2[1] == -20