TEST: Add for dataclass init val for lpython emulation

Author: ubaidsk

integration_tests/CMakeLists.txt

@@ -780,3 +780,4 @@ COMPILE(NAME import_order_01     LABELS cpython llvm c) # any
 
 # LPython emulation mode
 RUN(NAME lpython_emulation_01    LABELS cpython NOMOD)
+RUN(NAME lpython_emulation_02    LABELS cpython)

integration_tests/lpython_emulation_02.py

@@ -0,0 +1,19 @@
+from lpython import i32, dataclass
+from numpy import array
+
+@dataclass
+class X:
+    a: i32 = 123
+    b: bool = True
+    c: i32[:] = array([1, 2, 3])
+    d: i32[:] = array([4, 5, 6])
+
+def main0():
+    x: X = X()
+    print(x)
+    assert x.a == 123
+    assert x.b == True
+    assert x.c.sum() == 6
+    assert x.d.sum() == 15
+
+main0()