[ticket/584] Make sure phpunit is available during build

B3P-584

build.xml

@@ -91,6 +91,9 @@
 	</target>
 
     <target name="test" depends="clean,composer,prepare-tests">
+		<if>
+			<available property="phpunit-available" file="phpbb/phpBB/vendor/bin/phpunit" type="dir" />
+			<then>
 				<exec dir="${phpbb-root}"
 					  command="phpBB/vendor/bin/phpunit
               -c phpBB/ext/${vendor-name}/${extension-name}/ --coverage-clover=${clover-path} --coverage-html=${coverage-html-path}"
@@ -103,9 +106,18 @@
 						<fail msg="PHPUnit tests failed."/>
 					</then>
 				</if>
+			</then>
+			<else>
+				<echo msg="PHPUnit couldn't be found." />
+			</else>
+		</if>
+
     </target>
 
     <target name="test-slow" depends="clean,composer">
+		<if>
+		<available property="phpunit-available" file="phpbb/phpBB/vendor/bin/phpunit" type="dir" />
+		<then>
 			<exec dir="${phpbb-root}"
 				  command="phpBB/vendor/bin/phpunit
 				   -c phpBB/ext/${vendor-name}/${extension-name}/
@@ -119,6 +131,11 @@
 					<fail msg="PHPUnit slow tests failed."/>
 				</then>
 			</if>
+		</then>
+		<else>
+			<echo msg="PHPUnit couldn't be found." />
+		</else>
+		</if>
     </target>
 
     <!--