Fixed flakey test

spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ContractSpec.groovy

@@ -107,8 +107,10 @@ class ContractSpec extends Specification {
 			request.with {
 				property = value(consumer(regex("[0-9]{5}")))
 			}
+			def value = Integer.valueOf(property.serverValue as String)
 		then:
-			(property.serverValue as String).matches(/[0-9]{5}/)
+			value >= 0
+			value <= 99_999
 	}
 
 	def 'should set a description'() {

spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/InputSpec.groovy

@@ -14,7 +14,9 @@ class InputSpec extends Specification {
 			input.with {
 				property = $(consumer(regex("[0-9]{5}")))
 			}
+			def value = Integer.valueOf(property.serverValue as String)
 		then:
-			(property.serverValue as String).matches(/[0-9]{5}/)
+			value >= 0
+			value <= 99_999
 	}
 }

spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/OutputMessageSpec.groovy

@@ -14,7 +14,9 @@ class OutputMessageSpec extends Specification {
 			input.with {
 				property = $(consumer(regex("[0-9]{5}")))
 			}
+			def value = Integer.valueOf(property.serverValue as String)
 		then:
-			(property.serverValue as String).matches(/[0-9]{5}/)
+			value >= 0
+			value <= 99_999
 	}
 }

spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/RequestSpec.groovy

@@ -31,7 +31,9 @@ class RequestSpec extends Specification {
 			request.with {
 				property = value(consumer(regex("[0-9]{5}")))
 			}
+			def value = Integer.valueOf(property.serverValue as String)
 		then:
-			(property.serverValue as String).matches(/[0-9]{5}/)
+			value >= 0
+			value <= 99_999
 	}
 }

spring-cloud-contract-spec/src/test/groovy/org/springframework/cloud/contract/spec/internal/ResponseSpec.groovy

@@ -34,8 +34,10 @@ class ResponseSpec extends Specification {
 			request.with {
 				property = value(producer(regex("[0-9]{5}")))
 			}
+			def value = Integer.valueOf(property.clientValue as String)
 		then:
-			(property.clientValue as String).matches(/[0-9]{5}/)
+			value >= 0
+			value <= 99_999
 			(property.serverValue as Pattern).pattern() == '[0-9]{5}'
 	}
 }