Minor fix to the x-axis of the FUNC, HA, and USECASE graph generator

Change-Id: I6d4c61f3716260192b773d3f30730c8cd1310fa6
diff --git a/TestON/JenkinsFile/scripts/testCaseGraphGenerator.R b/TestON/JenkinsFile/scripts/testCaseGraphGenerator.R
index 2c7e442..bb7b4b4 100644
--- a/TestON/JenkinsFile/scripts/testCaseGraphGenerator.R
+++ b/TestON/JenkinsFile/scripts/testCaseGraphGenerator.R
@@ -137,7 +137,7 @@
 fillLabel <- labs( fill="Type" )
 legendLabels <- scale_colour_discrete( labels = c( "Failed", "Passed", "Planned" ) )
 centerTitle <- theme( plot.title=element_text( hjust = 0.5 ) )  # To center the title text
-theme <- theme( plot.title = element_text( size = 28, face='bold' ) )
+theme <- theme( plot.title = element_text( size = 28, face='bold' ), axis.text.x = element_text( angle = 45, size = 10 ) )
 
 # Store plot configurations as 1 variable
 fundamentalGraphData <- mainPlot + plannedColor + passedColor + failedColor + xScaleConfig + yScaleConfig + xLabel + yLabel + fillLabel + legendLabels + centerTitle + theme