JANITORIAL: Fix typos in comments in various files (#10058)

test/testautomation.c

@@ -49,7 +49,7 @@ static SDLTest_TestSuiteReference *testSuites[] = {
     &timeTestSuite,
     &timerTestSuite,
     &videoTestSuite,
-    &subsystemsTestSuite, /* run last, not interfere with other test enviroment */
+    &subsystemsTestSuite, /* run last, not interfere with other test environment */
     NULL
 };