Adding array tests 4,5,6

Author: swamishiju

integration_tests/CMakeLists.txt

@@ -438,9 +438,9 @@ RUN(NAME array_expr_10            LABELS cpython llvm llvm_jit c)
 RUN(NAME array_01            LABELS cpython llvm llvm_jit wasm c)
 RUN(NAME array_02            LABELS cpython wasm c)
 RUN(NAME array_03            LABELS cpython llvm llvm_jit c)
-# RUN(NAME array_04            LABELS cpython llvm llvm_jit c)
-# RUN(NAME array_05            LABELS cpython llvm llvm_jit c)
-# RUN(NAME array_06            LABELS cpython llvm llvm_jit)
+RUN(NAME array_04            LABELS cpython llvm llvm_jit c)
+RUN(NAME array_05            LABELS cpython llvm llvm_jit c)
+RUN(NAME array_06            LABELS cpython llvm llvm_jit)
 # RUN(NAME bindc_01            LABELS cpython llvm llvm_jit c)
 # # RUN(NAME bindc_02            LABELS cpython llvm llvm_jit c)
 # RUN(NAME bindc_04            LABELS llvm llvm_jit c NOFAST)