Do not convert non-unit tests.

Test: CI
Change-Id: Iab9c134718351187859f34a26bd3a2aa66e009d5
diff --git a/bp2build/cc_test_conversion_test.go b/bp2build/cc_test_conversion_test.go
index 679a364..392a962 100644
--- a/bp2build/cc_test_conversion_test.go
+++ b/bp2build/cc_test_conversion_test.go
@@ -631,3 +631,23 @@
 		},
 	})
 }
+
+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{},
+	})
+}