TEST: Add error tests for diff type ann cases

Author: ubaidsk

tests/errors/func_08.py

@@ -0,0 +1,5 @@
+from lpython import InOut
+
+def main0(x: In[In[i32]]):
+    print(x)
+main0()

tests/errors/test_annassign_01.py

@@ -0,0 +1,4 @@
+def test_annassign_01():
+    a: Optional[i32] = 5
+
+test_annassign_01()

tests/errors/test_annassign_02.py

@@ -0,0 +1,4 @@
+def test_annassign_02():
+    hex_pat : Pattern[str] = r'-?0[xX]+'
+
+test_annassign_02()

tests/errors/test_annassign_03.py

@@ -0,0 +1,8 @@
+@dataclass
+class LasrLexer:
+    _len: i32
+
+def test_annassign_03():
+    lexer : InOut[LasrLexer] = LasrLexer(5)
+
+test_annassign_03()

tests/tests.toml

@@ -745,6 +745,18 @@ asr = true
 filename = "errors/test_list_slicing.py"
 asr = true
 
+[[test]]
+filename = "errors/test_annassign_01.py"
+asr = true
+
+[[test]]
+filename = "errors/test_annassign_02.py"
+asr = true
+
+[[test]]
+filename = "errors/test_annassign_03.py"
+asr = true
+
 [[test]]
 filename = "errors/test_annassign_type_mismatch.py"
 asr = true
@@ -1147,6 +1159,10 @@ asr = true
 filename = "errors/func_07.py"
 asr = true
 
+[[test]]
+filename = "errors/func_08.py"
+asr = true
+
 # tests/runtime_errors
 [[test]]
 filename = "runtime_errors/test_list_01.py"