CodeRabbit Generated Unit Tests: Add unit tests for PR changes

[coderabbitai]

Unit test generation was requested by @TharmiganK.

• Add persist connection experience improvements #715 (comment)

The following files were modified:

• architecture-model-generator/modules/architecture-model-generator-core/build.gradle
• architecture-model-generator/modules/architecture-model-generator-core/src/test/java/io/ballerina/artifactsgenerator/ModuleNodeTransformerTest.java
• architecture-model-generator/modules/architecture-model-generator-core/src/test/resources/testng.xml
• flow-model-generator/modules/flow-model-generator-core/build.gradle
• flow-model-generator/modules/flow-model-generator-core/src/test/java/io/ballerina/flowmodelgenerator/core/model/CodedataTest.java
• flow-model-generator/modules/flow-model-generator-core/src/test/java/io/ballerina/flowmodelgenerator/core/model/MemberTest.java
• flow-model-generator/modules/flow-model-generator-core/src/test/java/io/ballerina/flowmodelgenerator/core/model/PropertyTypeTest.java
• flow-model-generator/modules/flow-model-generator-core/src/test/java/io/ballerina/flowmodelgenerator/core/model/RecordSelectorTypeTest.java
• flow-model-generator/modules/flow-model-generator-core/src/test/resources/testng.xml

[coderabbitai]

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