[tests] update UnitTestApp to include the 2 new test modules

- ENABLE_TESTABILITY in OneSignalUserTests and OneSignalCoreTests modules updated to match existing UnitTests
- UnitTestApp scheme updated to include OneSignalUserTests and OneSignalCoreTests test modules
- Now, the CI runs all tests automatically!

Author: nan-li

iOS_SDK/OneSignalSDK/OneSignal.xcodeproj/project.pbxproj

@@ -4220,6 +4220,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DEVELOPMENT_TEAM = 99SW8E36CT;
+				ENABLE_TESTABILITY = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -4322,6 +4323,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DEVELOPMENT_TEAM = 99SW8E36CT;
+				ENABLE_TESTABILITY = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -4547,6 +4549,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DEVELOPMENT_TEAM = 99SW8E36CT;
+				ENABLE_TESTABILITY = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				GENERATE_INFOPLIST_FILE = YES;
@@ -4647,6 +4650,7 @@
 				CURRENT_PROJECT_VERSION = 1;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DEVELOPMENT_TEAM = 99SW8E36CT;
+				ENABLE_TESTABILITY = YES;
 				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				GENERATE_INFOPLIST_FILE = YES;

iOS_SDK/OneSignalSDK/OneSignal.xcodeproj/xcshareddata/xcschemes/UnitTestApp.xcscheme

@@ -20,6 +20,34 @@
                ReferencedContainer = "container:OneSignal.xcodeproj">
             </BuildableReference>
          </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "NO"
+            buildForProfiling = "NO"
+            buildForArchiving = "NO"
+            buildForAnalyzing = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "3CC063EA2B6D7FE8002BB07F"
+               BuildableName = "OneSignalUserTests.xctest"
+               BlueprintName = "OneSignalUserTests"
+               ReferencedContainer = "container:OneSignal.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "NO"
+            buildForProfiling = "NO"
+            buildForArchiving = "NO"
+            buildForAnalyzing = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "3CC063A02B6D7A8D002BB07F"
+               BuildableName = "OneSignalCoreTests.xctest"
+               BlueprintName = "OneSignalCoreTests"
+               ReferencedContainer = "container:OneSignal.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
       </BuildActionEntries>
    </BuildAction>
    <TestAction
@@ -79,6 +107,20 @@
             BlueprintName = "OneSignalUser"
             ReferencedContainer = "container:OneSignal.xcodeproj">
          </BuildableReference>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "3CC063EA2B6D7FE8002BB07F"
+            BuildableName = "OneSignalUserTests.xctest"
+            BlueprintName = "OneSignalUserTests"
+            ReferencedContainer = "container:OneSignal.xcodeproj">
+         </BuildableReference>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "3CC063A02B6D7A8D002BB07F"
+            BuildableName = "OneSignalCoreTests.xctest"
+            BlueprintName = "OneSignalCoreTests"
+            ReferencedContainer = "container:OneSignal.xcodeproj">
+         </BuildableReference>
       </CodeCoverageTargets>
       <Testables>
          <TestableReference
@@ -91,6 +133,26 @@
                ReferencedContainer = "container:OneSignal.xcodeproj">
             </BuildableReference>
          </TestableReference>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "3CC063A02B6D7A8D002BB07F"
+               BuildableName = "OneSignalCoreTests.xctest"
+               BlueprintName = "OneSignalCoreTests"
+               ReferencedContainer = "container:OneSignal.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "3CC063EA2B6D7FE8002BB07F"
+               BuildableName = "OneSignalUserTests.xctest"
+               BlueprintName = "OneSignalUserTests"
+               ReferencedContainer = "container:OneSignal.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
       </Testables>
    </TestAction>
    <LaunchAction