[ExecuTorch] Arm Ethos: Add Linear operator tests

Pull Request resolved: #8898

As title.
ghstack-source-id: 269597827
@exported-using-ghexport

Differential Revision: [D70018299](https://our.internmc.facebook.com/intern/diff/D70018299/)

Author: digantdesai

Diff for: backends/arm/test/TARGETS

@@ -19,7 +19,6 @@ python_library(
     srcs = ["runner_utils.py"],
     deps = [
         ":conftest",
-        "//executorch/backends/xnnpack/test/tester:tester",
         "//executorch/backends/arm:arm_backend",
         "//executorch/exir:lib",
         "//executorch/exir/backend:compile_spec_schema",
@@ -31,10 +30,7 @@ python_library(
     srcs = ["common.py"],
     deps = [
         ":runner_utils",
-        "//executorch/backends/xnnpack/test/tester:tester",
-        "//executorch/backends/arm:arm_backend",
-        "//executorch/exir:lib",
-        "//executorch/exir/backend:compile_spec_schema",
+        "//executorch/backends/arm:tosa_specification",
         "fbsource//third-party/pypi/pytest:pytest",
     ]
 )
@@ -43,12 +39,11 @@ python_library(
     name = "arm_tester",
     srcs = glob(["tester/*.py"]),
     deps = [
-        ":runner_utils",
         ":common",
-        "//executorch/backends/arm:tosa_mapping",
-        "//executorch/backends/arm:tosa_specification",
-        "//executorch/backends/arm/quantizer:arm_quantizer",
+        "//executorch/backends/xnnpack/test/tester:tester",
         "//executorch/backends/arm:arm_partitioner",
+        "//executorch/backends/arm/quantizer:arm_quantizer",
+        "//executorch/backends/arm:tosa_mapping",
         "//executorch/devtools/backend_debug:delegation_info",
         "fbsource//third-party/pypi/tabulate:tabulate",
     ]

Diff for: backends/arm/test/targets.bzl

@@ -4,11 +4,16 @@ load("@bazel_skylib//lib:paths.bzl", "paths")
 
 def define_arm_tests():
     # TODO Add more tests
-    test_files = native.glob(["passes/test_*.py"])
+    test_files = []
 
+    # Passes
+    test_files += native.glob(["passes/test_*.py"])
     # https://github.com/pytorch/executorch/issues/8606
     test_files.remove("passes/test_ioquantization_pass.py")
 
+    # Operators
+    test_files += native.glob(["ops/test_linear.py"])
+
     TESTS = {}
 
     for test_file in test_files:
@@ -26,8 +31,8 @@ def define_arm_tests():
                 "//executorch/kernels/quantized:custom_ops_generated_lib",
             ],
             deps = [
-                ":arm_tester",
-                ":conftest",
+                "//executorch/backends/arm/test:arm_tester",
+                "//executorch/backends/arm/test:conftest",
                 "//executorch/exir:lib",
                 "fbsource//third-party/pypi/pytest:pytest",
                 "fbsource//third-party/pypi/parameterized:parameterized",