Enable NNAPI tests

PiperOrigin-RevId: 305160089
Change-Id: I446eb5481ca6adc76e258b25d41dd8406421d74b
diff --git a/tensorflow/lite/delegates/nnapi/acceleration_test_list.cc b/tensorflow/lite/delegates/nnapi/acceleration_test_list.cc
index d00150b..a2df868 100644
--- a/tensorflow/lite/delegates/nnapi/acceleration_test_list.cc
+++ b/tensorflow/lite/delegates/nnapi/acceleration_test_list.cc
@@ -349,6 +349,7 @@
 # tile_test
 -TileTest/TileTest/Int64.+/.+
 -TileTest/TileTest/Boolean.+/.+
+-TileTest/TileTest/String.+/.+
 # Const tensor only
 TileTest/TileTest/.+/0,29
 
diff --git a/tensorflow/lite/kernels/mul_test.cc b/tensorflow/lite/kernels/mul_test.cc
index 0fadd53..db8dca9 100644
--- a/tensorflow/lite/kernels/mul_test.cc
+++ b/tensorflow/lite/kernels/mul_test.cc
@@ -291,12 +291,6 @@
 
 template <TensorType tensor_type, typename integer_dtype>
 void NoActivationLargeMultiplier() {
-  // TODO(b/138722124): Remove this after setting the appropriate op version (3)
-  // for dependent tests.
-  if (SingleOpModel::GetForceUseNnapi()) {
-    // NNAPI doesn't currently support Mul with multiplier>1.
-    return;
-  }
   // Intentionally pathological output range much narrower than needed
   // to represent input values to exercise the multiplier>1 case.
   QuantizedMulOpModel m({tensor_type, {1, 2, 2, 1}, -100, 100},
diff --git a/tensorflow/lite/kernels/tile_test.cc b/tensorflow/lite/kernels/tile_test.cc
index 5a7461a..0df1f33 100644
--- a/tensorflow/lite/kernels/tile_test.cc
+++ b/tensorflow/lite/kernels/tile_test.cc
@@ -203,10 +203,6 @@
 }
 
 TEST_P(TileTest, StringMatrix) {
-  // TODO(b/138722124): Enable these tests on NNAPI.
-  if (SingleOpModel::GetForceUseNnapi()) {
-    return;
-  }
   Check<std::string>(
       /*input_shape=*/{2, 3},
       /*input_data=*/{"AA", "AB", "AC", "BA", "BB", "BC"},
@@ -218,10 +214,6 @@
 }
 
 TEST_P(TileTest, StringMatrix64Multipliers) {
-  // TODO(b/138722124): Enable these tests on NNAPI.
-  if (SingleOpModel::GetForceUseNnapi()) {
-    return;
-  }
   Check<std::string, int64_t>(
       /*input_shape=*/{2, 3},
       /*input_data=*/{"AA", "AB", "AC", "BA", "BB", "BC"},
@@ -233,10 +225,6 @@
 }
 
 TEST_P(TileTest, StringMatrix2) {
-  // TODO(b/138722124): Enable these tests on NNAPI.
-  if (SingleOpModel::GetForceUseNnapi()) {
-    return;
-  }
   Check<std::string>(
       /*input_shape=*/{3, 2, 1},
       /*input_data=*/{"AA", "AB", "AC", "BA", "BB", "BC"},