Change `::testing` to `testing` in Testing Reference doc

PiperOrigin-RevId: 544466397
Change-Id: Icb4d5fae38361cd75d47f908886831696eb2b1c9
diff --git a/docs/reference/testing.md b/docs/reference/testing.md
index 877dfa3..17225a6 100644
--- a/docs/reference/testing.md
+++ b/docs/reference/testing.md
@@ -122,8 +122,8 @@
 ```cpp
 INSTANTIATE_TEST_SUITE_P(
     MyInstantiation, MyTestSuite,
-    ::testing::Values(...),
-    [](const ::testing::TestParamInfo<MyTestSuite::ParamType>& info) {
+    testing::Values(...),
+    [](const testing::TestParamInfo<MyTestSuite::ParamType>& info) {
       // Can use info.param here to generate the test suffix
       std::string name = ...
       return name;
@@ -148,7 +148,7 @@
 
 ```cpp
 template <typename T>
-class MyFixture : public ::testing::Test {
+class MyFixture : public testing::Test {
  public:
   ...
   using List = std::list<T>;
@@ -324,7 +324,7 @@
 ```cpp
 namespace my_namespace {
 
-class MyClassTest : public ::testing::Test {
+class MyClassTest : public testing::Test {
   ...
 };
 
@@ -387,7 +387,7 @@
 
 ### AssertionResult {#AssertionResult}
 
-`::testing::AssertionResult`
+`testing::AssertionResult`
 
 A class for indicating whether an assertion was successful.
 
@@ -401,14 +401,14 @@
 
 ### AssertionException {#AssertionException}
 
-`::testing::AssertionException`
+`testing::AssertionException`
 
 Exception which can be thrown from
 [`TestEventListener::OnTestPartResult`](#TestEventListener::OnTestPartResult).
 
 ### EmptyTestEventListener {#EmptyTestEventListener}
 
-`::testing::EmptyTestEventListener`
+`testing::EmptyTestEventListener`
 
 Provides an empty implementation of all methods in the
 [`TestEventListener`](#TestEventListener) interface, such that a subclass only
@@ -416,7 +416,7 @@
 
 ### Environment {#Environment}
 
-`::testing::Environment`
+`testing::Environment`
 
 Represents a global test environment. See
 [Global Set-Up and Tear-Down](../advanced.md#global-set-up-and-tear-down).
@@ -437,7 +437,7 @@
 
 ### ScopedTrace {#ScopedTrace}
 
-`::testing::ScopedTrace`
+`testing::ScopedTrace`
 
 An instance of this class causes a trace to be included in every test failure
 message generated by code in the scope of the lifetime of the `ScopedTrace`
@@ -453,7 +453,7 @@
 Example usage:
 
 ```cpp
-::testing::ScopedTrace trace("file.cc", 123, "message");
+testing::ScopedTrace trace("file.cc", 123, "message");
 ```
 
 The resulting trace includes the given source file path and line number, and the
@@ -464,7 +464,7 @@
 
 ### Test {#Test}
 
-`::testing::Test`
+`testing::Test`
 
 The abstract class that all tests inherit from. `Test` is not copyable.
 
@@ -552,7 +552,7 @@
 
 ### TestWithParam {#TestWithParam}
 
-`::testing::TestWithParam<T>`
+`testing::TestWithParam<T>`
 
 A convenience class which inherits from both [`Test`](#Test) and
 [`WithParamInterface<T>`](#WithParamInterface).
@@ -672,7 +672,7 @@
 
 ### TestInfo {#TestInfo}
 
-`::testing::TestInfo`
+`testing::TestInfo`
 
 Stores information about a test.
 
@@ -751,7 +751,7 @@
 
 ### TestParamInfo {#TestParamInfo}
 
-`::testing::TestParamInfo<T>`
+`testing::TestParamInfo<T>`
 
 Describes a parameter to a value-parameterized test. The type `T` is the type of
 the parameter.
@@ -761,7 +761,7 @@
 
 ### UnitTest {#UnitTest}
 
-`::testing::UnitTest`
+`testing::UnitTest`
 
 This class contains information about the test program.
 
@@ -929,7 +929,7 @@
 
 ### TestEventListener {#TestEventListener}
 
-`::testing::TestEventListener`
+`testing::TestEventListener`
 
 The interface for tracing execution of tests. The methods below are listed in
 the order the corresponding events are fired.
@@ -1027,7 +1027,7 @@
 
 ### TestEventListeners {#TestEventListeners}
 
-`::testing::TestEventListeners`
+`testing::TestEventListeners`
 
 Lets users add listeners to track events in GoogleTest.
 
@@ -1072,7 +1072,7 @@
 
 ### TestPartResult {#TestPartResult}
 
-`::testing::TestPartResult`
+`testing::TestPartResult`
 
 A copyable object representing the result of a test part (i.e. an assertion or
 an explicit `FAIL()`, `ADD_FAILURE()`, or `SUCCESS()`).
@@ -1154,7 +1154,7 @@
 
 ### TestProperty {#TestProperty}
 
-`::testing::TestProperty`
+`testing::TestProperty`
 
 A copyable object representing a user-specified test property which can be
 output as a key/value string pair.
@@ -1181,7 +1181,7 @@
 
 ### TestResult {#TestResult}
 
-`::testing::TestResult`
+`testing::TestResult`
 
 Contains information about the result of a single test.
 
@@ -1262,20 +1262,20 @@
 
 ### TimeInMillis {#TimeInMillis}
 
-`::testing::TimeInMillis`
+`testing::TimeInMillis`
 
 An integer type representing time in milliseconds.
 
 ### Types {#Types}
 
-`::testing::Types<T...>`
+`testing::Types<T...>`
 
 Represents a list of types for use in typed tests and type-parameterized tests.
 
 The template argument `T...` can be any number of types, for example:
 
 ```
-::testing::Types<char, int, unsigned int>
+testing::Types<char, int, unsigned int>
 ```
 
 See [Typed Tests](../advanced.md#typed-tests) and
@@ -1284,7 +1284,7 @@
 
 ### WithParamInterface {#WithParamInterface}
 
-`::testing::WithParamInterface<T>`
+`testing::WithParamInterface<T>`
 
 The pure interface class that all value-parameterized tests inherit from.
 
@@ -1310,9 +1310,9 @@
 
 ### InitGoogleTest {#InitGoogleTest}
 
-`void ::testing::InitGoogleTest(int* argc, char** argv)` \
-`void ::testing::InitGoogleTest(int* argc, wchar_t** argv)` \
-`void ::testing::InitGoogleTest()`
+`void testing::InitGoogleTest(int* argc, char** argv)` \
+`void testing::InitGoogleTest(int* argc, wchar_t** argv)` \
+`void testing::InitGoogleTest()`
 
 Initializes GoogleTest. This must be called before calling
 [`RUN_ALL_TESTS()`](#RUN_ALL_TESTS). In particular, it parses the command line
@@ -1329,7 +1329,7 @@
 
 ### AddGlobalTestEnvironment {#AddGlobalTestEnvironment}
 
-`Environment* ::testing::AddGlobalTestEnvironment(Environment* env)`
+`Environment* testing::AddGlobalTestEnvironment(Environment* env)`
 
 Adds a test environment to the test program. Must be called before
 [`RUN_ALL_TESTS()`](#RUN_ALL_TESTS) is called. See
@@ -1342,7 +1342,7 @@
 
 ```cpp
 template <typename Factory>
-TestInfo* ::testing::RegisterTest(const char* test_suite_name, const char* test_name,
+TestInfo* testing::RegisterTest(const char* test_suite_name, const char* test_name,
                                   const char* type_param, const char* value_param,
                                   const char* file, int line, Factory factory)
 ```
@@ -1381,27 +1381,27 @@
 
 ### AssertionSuccess {#AssertionSuccess}
 
-`AssertionResult ::testing::AssertionSuccess()`
+`AssertionResult testing::AssertionSuccess()`
 
 Creates a successful assertion result. See
 [`AssertionResult`](#AssertionResult).
 
 ### AssertionFailure {#AssertionFailure}
 
-`AssertionResult ::testing::AssertionFailure()`
+`AssertionResult testing::AssertionFailure()`
 
 Creates a failed assertion result. Use the `<<` operator to store a failure
 message:
 
 ```cpp
-::testing::AssertionFailure() << "My failure message";
+testing::AssertionFailure() << "My failure message";
 ```
 
 See [`AssertionResult`](#AssertionResult).
 
 ### StaticAssertTypeEq {#StaticAssertTypeEq}
 
-`::testing::StaticAssertTypeEq<T1, T2>()`
+`testing::StaticAssertTypeEq<T1, T2>()`
 
 Compile-time assertion for type equality. Compiles if and only if `T1` and `T2`
 are the same type. The value it returns is irrelevant.
@@ -1410,7 +1410,7 @@
 
 ### PrintToString {#PrintToString}
 
-`std::string ::testing::PrintToString(x)`
+`std::string testing::PrintToString(x)`
 
 Prints any value `x` using GoogleTest's value printer.
 
@@ -1420,7 +1420,7 @@
 
 ### PrintToStringParamName {#PrintToStringParamName}
 
-`std::string ::testing::PrintToStringParamName(TestParamInfo<T>& info)`
+`std::string testing::PrintToStringParamName(TestParamInfo<T>& info)`
 
 A built-in parameterized test name generator which returns the result of
 [`PrintToString`](#PrintToString) called on `info.param`. Does not work when the