[build] Disable clang-tidy warning about test case names (wpilibsuite#6127)

These are the warnings being disabled:
```
== clang-tidy /__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp ==
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:51:16: warning: avoid using "_" in test name "NonInvertibleA_ABQR" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
   51 | TEST(DARETest, NonInvertibleA_ABQR) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:67:16: warning: avoid using "_" in test name "NonInvertibleA_ABQRN" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
   67 | TEST(DARETest, NonInvertibleA_ABQRN) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:89:16: warning: avoid using "_" in test name "InvertibleA_ABQR" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
   89 | TEST(DARETest, InvertibleA_ABQR) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:101:16: warning: avoid using "_" in test name "InvertibleA_ABQRN" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  101 | TEST(DARETest, InvertibleA_ABQRN) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:118:16: warning: avoid using "_" in test name "FirstGeneralizedEigenvalueOfSTIsStable_ABQR" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  118 | TEST(DARETest, FirstGeneralizedEigenvalueOfSTIsStable_ABQR) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:132:16: warning: avoid using "_" in test name "FirstGeneralizedEigenvalueOfSTIsStable_ABQRN" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  132 | TEST(DARETest, FirstGeneralizedEigenvalueOfSTIsStable_ABQRN) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:151:16: warning: avoid using "_" in test name "IdentitySystem_ABQR" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  151 | TEST(DARETest, IdentitySystem_ABQR) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:163:16: warning: avoid using "_" in test name "IdentitySystem_ABQRN" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  163 | TEST(DARETest, IdentitySystem_ABQRN) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:176:16: warning: avoid using "_" in test name "MoreInputsThanStates_ABQR" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  176 | TEST(DARETest, MoreInputsThanStates_ABQR) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:188:16: warning: avoid using "_" in test name "MoreInputsThanStates_ABQRN" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  188 | TEST(DARETest, MoreInputsThanStates_ABQRN) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:201:16: warning: avoid using "_" in test name "QNotSymmetricPositiveSemidefinite_ABQR" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  201 | TEST(DARETest, QNotSymmetricPositiveSemidefinite_ABQR) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:210:16: warning: avoid using "_" in test name "QNotSymmetricPositiveSemidefinite_ABQRN" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  210 | TEST(DARETest, QNotSymmetricPositiveSemidefinite_ABQRN) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:220:16: warning: avoid using "_" in test name "RNotSymmetricPositiveDefinite_ABQR" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  220 | TEST(DARETest, RNotSymmetricPositiveDefinite_ABQR) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:232:16: warning: avoid using "_" in test name "RNotSymmetricPositiveDefinite_ABQRN" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  232 | TEST(DARETest, RNotSymmetricPositiveDefinite_ABQRN) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:245:16: warning: avoid using "_" in test name "ABNotStabilizable_ABQR" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  245 | TEST(DARETest, ABNotStabilizable_ABQR) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:254:16: warning: avoid using "_" in test name "ABNotStabilizable_ABQRN" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  254 | TEST(DARETest, ABNotStabilizable_ABQRN) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:264:16: warning: avoid using "_" in test name "ACNotDetectable_ABQR" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  264 | TEST(DARETest, ACNotDetectable_ABQR) {
      |                ^
/__w/allwpilib/allwpilib/wpimath/src/test/native/cpp/DARETest.cpp:273:16: warning: avoid using "_" in test name "ACNotDetectable_ABQRN" according to Googletest FAQ [google-readability-avoid-underscore-in-googletest-name]
  273 | TEST(DARETest, ACNotDetectable_ABQRN) {
      |                ^
```

Author: calcmogul

.clang-tidy

@@ -49,7 +49,6 @@ Checks:
   google-build-namespaces,
   google-explicit-constructor,
   google-global-names-in-headers,
-  google-readability-avoid-underscore-in-googletest-name,
   google-readability-casting,
   google-runtime-operator,
   misc-definitions-in-headers,