Do not convert non-unit tests.

Test: CI
Change-Id: Iab9c134718351187859f34a26bd3a2aa66e009d5

bp2build/cc_test_conversion_test.go

@@ -631,3 +631,23 @@ cc_test {
 		},
 	})
 }
+
+func TestCcTest_UnitTestFalse(t *testing.T) {
+	runCcTestTestCase(t, ccTestBp2buildTestCase{
+		description: "cc test with test_options.tags converted to tags",
+		blueprint: `
+cc_test {
+    name: "mytest",
+    host_supported: true,
+    srcs: ["test.cpp"],
+    test_options: { unit_test: false },
+}
+` + simpleModule("cc_library_static", "libgtest_main") +
+			simpleModule("cc_library_static", "libgtest"),
+		stubbedBuildDefinitions: []string{
+			"libgtest_main",
+			"libgtest",
+		},
+		targets: []testBazelTarget{},
+	})
+}

cc/test.go

@@ -25,6 +25,7 @@ import (
 	"android/soong/bazel"
 	"android/soong/bazel/cquery"
 	"android/soong/tradefed"
+	"android/soong/ui/metrics/bp2build_metrics_proto"
 )
 
 // TestLinkerProperties properties to be registered via the linker
@@ -718,6 +719,13 @@ func testBinaryBp2build(ctx android.Bp2buildMutatorContext, m *Module) {
 				combinedData.Append(android.BazelLabelForModuleDeps(ctx, p.Data_libs))
 				data.SetSelectValue(axis, config, combinedData)
 				tags.SetSelectValue(axis, config, p.Test_options.Tags)
+
+				// TODO: b/300117121 - handle bp2build conversion of non-unit tests
+				// default to true to only handle non-nil falses
+				if !BoolDefault(p.Test_options.Unit_test, true) {
+					ctx.MarkBp2buildUnconvertible(bp2build_metrics_proto.UnconvertedReasonType_PROPERTY_UNSUPPORTED, "Host unit_test = false")
+					return
+				}
 			}
 		}
 	}