integration test added

Author: Kishan-Ved

integration_tests/CMakeLists.txt

@@ -816,6 +816,7 @@ RUN(NAME callback_04       IMPORT_PATH .. LABELS cpython)
 # Intrinsic Functions
 RUN(NAME intrinsics_01     LABELS cpython llvm NOFAST) # any
 RUN(NAME intrinsics_02     LABELS cpython llvm c) # floordiv
+RUN(NAME intrinsics_03     LABELS llvm) # lshift
 
 # lpython decorator
 RUN(NAME lpython_decorator_01    LABELS cpython)

integration_tests/intrinsics_03.py

@@ -0,0 +1,12 @@
+from lpython import i32
+
+a : i32
+b : i32
+
+a = 5
+b = 2
+print(lshift(a,b))
+assert(lshift(a,b) == a<<b)
+
+print(lshift(5,2))
+assert(lshift(5,2) == 5<<2)