Add unit tests for Prompter class methods (#1086) #746

Job	Run time
checkstyle	3m 23s
copyright	3m 14s
shellcheck	3m 6s
build	4m 55s
spotbugs	5m 26s
javadoc	4m 8s
cli/linux-amd64	4m 36s
tests/cli-linux	5m 17s
cli/windows-amd64	5m 34s
vscode-ext	3m 57s
tests/cli-functional-linux	6m 31s
cli/darwin-amd64	5m 38s
tests/archetype-linux	4m 55s
tests/linker-linux	4m 42s
tests/others-linux	5m 36s
tests/cli-windows	6m 16s
tests/cli-functional-windows	7m 27s
tests/archetype-windows	6m 12s
tests/linker-windows	5m 24s
tests/others-windows	7m 55s
cli/binaries	5s
tests/results	2s
gate	1s
	1h 44m 20s

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