EXSWHTEC-25 - Update Unit_hipEventCreateWithFlags_Positive test to include hipEventInterprocess flag on AMD (#3036)

* Implement tests for hipEventCreateWithFlags

- Add hipEventCreateWithFlags.cc with a simple positive unit test
- Divide Unit_hipEventCreate_NullCheck into two separate tests
- Add newly created file into CMakeLists.txt
- Update Unit_hipEventCreateWithFlags_Positive test to include hipEventInterprocess flag

[ROCm/hip commit: 2b57acc903]

projects/hip/tests/catch/unit/event/hipEventCreateWithFlags.cc

@@ -29,8 +29,7 @@ Unit_hipEventCreateWithFlags_Positive - Test simple event creation with hipEvent
 TEST_CASE("Unit_hipEventCreateWithFlags_Positive") {
 
 #if HT_AMD
-  // On AMD platform, hipEventInterprocess support is under development. Use of this flag will return an error. Omitted
-  const unsigned int flagUnderTest = GENERATE(hipEventDefault, hipEventBlockingSync, hipEventDisableTiming, hipEventReleaseToDevice, hipEventReleaseToSystem);
+  const unsigned int flagUnderTest = GENERATE(hipEventDefault, hipEventBlockingSync, hipEventDisableTiming, hipEventInterprocess | hipEventDisableTiming, hipEventReleaseToDevice, hipEventReleaseToSystem);
 #else
   // On Non-AMD platforms hipEventReleaseToDevice / hipEventReleaseToSystem are not defined
   const unsigned int flagUnderTest = GENERATE(hipEventDefault, hipEventBlockingSync, hipEventDisableTiming, hipEventInterprocess | hipEventDisableTiming);