changes for googletest env var test

diff --git a/googletest/test/BUILD.bazel b/googletest/test/BUILD.bazel
index 29361c0..0c1eb78 100644
--- a/googletest/test/BUILD.bazel
+++ b/googletest/test/BUILD.bazel
@@ -212,17 +212,17 @@
 )
 
 cc_binary(
-    name = "gtest_env_var_test_",
+    name = "googletest-env-var-test_",
     testonly = 1,
-    srcs = ["gtest_env_var_test_.cc"],
+    srcs = ["googletest-env-var-test_.cc"],
     deps = ["//:gtest"],
 )
 
 py_test(
-    name = "gtest_env_var_test",
-    size = "small",
-    srcs = ["gtest_env_var_test.py"],
-    data = [":gtest_env_var_test_"],
+    name = "googletest-env-var-test",
+    size = "medium",
+    srcs = ["googletest-env-var-test.py"],
+    data = [":googletest-env-var-test_"],
     deps = [":gtest_test_utils"],
 )
 
diff --git a/googletest/test/gtest_env_var_test.py b/googletest/test/googletest-env-var-test.py
similarity index 96%
rename from googletest/test/gtest_env_var_test.py
rename to googletest/test/googletest-env-var-test.py
index beb2a8b..9c80e2a 100755
--- a/googletest/test/gtest_env_var_test.py
+++ b/googletest/test/googletest-env-var-test.py
@@ -40,7 +40,7 @@
 IS_WINDOWS = os.name == 'nt'
 IS_LINUX = os.name == 'posix' and os.uname()[0] == 'Linux'
 
-COMMAND = gtest_test_utils.GetTestExecutablePath('gtest_env_var_test_')
+COMMAND = gtest_test_utils.GetTestExecutablePath('googletest-env-var-test_')
 
 environ = os.environ.copy()
 
@@ -62,7 +62,7 @@
 
 
 def GetFlag(flag):
-  """Runs gtest_env_var_test_ and returns its output."""
+  """Runs googletest-env-var-test_ and returns its output."""
 
   args = [COMMAND]
   if flag is not None:
diff --git a/googletest/test/gtest_env_var_test_.cc b/googletest/test/googletest-env-var-test_.cc
similarity index 97%
rename from googletest/test/gtest_env_var_test_.cc
rename to googletest/test/googletest-env-var-test_.cc
index 9b668dc..74b9506 100644
--- a/googletest/test/gtest_env_var_test_.cc
+++ b/googletest/test/googletest-env-var-test_.cc
@@ -115,7 +115,7 @@
   testing::InitGoogleTest(&argc, argv);
 
   if (argc != 2) {
-    cout << "Usage: gtest_env_var_test_ NAME_OF_FLAG\n";
+    cout << "Usage: googletest-env-var-test_ NAME_OF_FLAG\n";
     return 1;
   }